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2223400868 = 221367363533
BaseRepresentation
bin1000010010000110…
…0110011110100100
312201221201110121022
42010201212132210
514023142311433
61004343110312
7106045411163
oct20441463644
95657643538
102223400868
11a41062a87
12520742398
13295835a20
1417140d3da
15d02e0698
hex848667a4

2223400868 has 24 divisors (see below), whose sum is σ = 4196547768. Its totient is φ = 1024644096.

The previous prime is 2223400799. The next prime is 2223400877. The reversal of 2223400868 is 8680043222.

It can be written as a sum of positive squares in 4 ways, for example, as 60964864 + 2162436004 = 7808^2 + 46502^2 .

It is a super-2 number, since 2×22234008682 = 9887022839646306848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3230 + ... + 66762.

It is an arithmetic number, because the mean of its divisors is an integer number (174856157).

Almost surely, 22223400868 is an apocalyptic number.

It is an amenable number.

2223400868 is a deficient number, since it is larger than the sum of its proper divisors (1973146900).

2223400868 is a wasteful number, since it uses less digits than its factorization.

2223400868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64223 (or 64221 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 2223400868 is about 47152.9518482141. The cubic root of 2223400868 is about 1305.1865517232.

The spelling of 2223400868 in words is "two billion, two hundred twenty-three million, four hundred thousand, eight hundred sixty-eight".

Divisors: 1 2 4 13 26 52 673 1346 2692 8749 17498 34996 63533 127066 254132 825929 1651858 3303716 42757709 85515418 171030836 555850217 1111700434 2223400868