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2223324012 = 22371310918679
BaseRepresentation
bin1000010010000101…
…0011101101101100
312201221120120011210
42010201103231230
514023132332022
61004341314420
7106044641130
oct20441235554
95657516153
102223324012
11a41010268
12520705a10
13295809a50
141713cd3c0
15d02c7a0c
hex84853b6c

2223324012 has 96 divisors (see below), whose sum is σ = 6443852800. Its totient is φ = 580960512.

The previous prime is 2223324011. The next prime is 2223324013. The reversal of 2223324012 is 2104233222.

It is an interprime number because it is at equal distance from previous prime (2223324011) and next prime (2223324013).

It is a super-2 number, since 2×22233240122 = 9886339324671552288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 2223324012.

It is not an unprimeable number, because it can be changed into a prime (2223324011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109689 + ... + 128367.

Almost surely, 22223324012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2223324012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3221926400).

2223324012 is an abundant number, since it is smaller than the sum of its proper divisors (4220528788).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2223324012 is a wasteful number, since it uses less digits than its factorization.

2223324012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18815 (or 18813 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 2223324012 is about 47152.1368762859. The cubic root of 2223324012 is about 1305.1715128137.

Adding to 2223324012 its reverse (2104233222), we get a palindrome (4327557234).

The spelling of 2223324012 in words is "two billion, two hundred twenty-three million, three hundred twenty-four thousand, twelve".

Divisors: 1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 109 156 182 218 273 327 364 436 546 654 763 1092 1308 1417 1526 2289 2834 3052 4251 4578 5668 8502 9156 9919 17004 18679 19838 29757 37358 39676 56037 59514 74716 112074 119028 130753 224148 242827 261506 392259 485654 523012 728481 784518 971308 1456962 1569036 1699789 2036011 2913924 3399578 4072022 5099367 6108033 6799156 8144044 10198734 12216066 14252077 20397468 24432132 26468143 28504154 42756231 52936286 57008308 79404429 85512462 105872572 158808858 171024924 185277001 317617716 370554002 555831003 741108004 1111662006 2223324012