22557032513 has 4 divisors (see below), whose sum is σ = 22571158740. Its totient is φ = 22542906288.

The previous prime is 22557032501. The next prime is 22557032521. The reversal of 22557032513 is 31523075522.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1961338369 + 20595694144 = 44287^2 + 143512^2 .

It is a cyclic number.

It is not a de Polignac number, because 22557032513 - 2⁸ = 22557032257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22557032413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7060718 + ... + 7063911.

It is an arithmetic number, because the mean of its divisors is an integer number (5642789685).

Almost surely, 2^22557032513 is an apocalyptic number.

It is an amenable number.

22557032513 is a deficient number, since it is larger than the sum of its proper divisors (14126227).

22557032513 is a wasteful number, since it uses less digits than its factorization.

22557032513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14126226.

The product of its (nonzero) digits is 63000, while the sum is 35.

The spelling of 22557032513 in words is "twenty-two billion, five hundred fifty-seven million, thirty-two thousand, five hundred thirteen".