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2243423331 = 33378812549
BaseRepresentation
bin1000010110110111…
…1110110001100011
312210100101201021000
42011231332301203
514043304021311
61010340203043
7106410532542
oct20555766143
95710351230
102243423331
11a51399176
12527399483
13299a26436
14173d42159
15d1e48056
hex85b7ec63

2243423331 has 32 divisors (see below), whose sum is σ = 3418632000. Its totient is φ = 1452971520.

The previous prime is 2243423297. The next prime is 2243423387. The reversal of 2243423331 is 1333243422.

It is not a de Polignac number, because 2243423331 - 211 = 2243421283 is a prime.

It is a super-2 number, since 2×22434233312 = 10065896484150271122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 2243423295 and 2243423304.

It is not an unprimeable number, because it can be changed into a prime (2243423131) 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, 878845 + ... + 881393.

It is an arithmetic number, because the mean of its divisors is an integer number (106832250).

Almost surely, 22243423331 is an apocalyptic number.

2243423331 is a deficient number, since it is larger than the sum of its proper divisors (1175208669).

2243423331 is a wasteful number, since it uses less digits than its factorization.

2243423331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476 (or 3470 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 2243423331 is about 47364.7899921450. The cubic root of 2243423331 is about 1309.0927290181.

Adding to 2243423331 its reverse (1333243422), we get a palindrome (3576666753).

The spelling of 2243423331 in words is "two billion, two hundred forty-three million, four hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 3 9 27 37 111 333 881 999 2549 2643 7647 7929 22941 23787 32597 68823 94313 97791 282939 293373 848817 880119 2245669 2546451 6737007 20211021 60633063 83089753 249269259 747807777 2243423331