22557232605 has 16 divisors (see below), whose sum is σ = 36971855424. Its totient is φ = 11737096320.

The previous prime is 22557232601. The next prime is 22557232699. The reversal of 22557232605 is 50623275522.

It is not a de Polignac number, because 22557232605 - 2² = 22557232601 is a prime.

It is a super-3 number, since 3×22557232605³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22557232601) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18338599 + ... + 18339828.

It is an arithmetic number, because the mean of its divisors is an integer number (2310740964).

Almost surely, 2^22557232605 is an apocalyptic number.

It is an amenable number.

22557232605 is a deficient number, since it is larger than the sum of its proper divisors (14414622819).

22557232605 is a wasteful number, since it uses less digits than its factorization.

22557232605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36678476.

The product of its (nonzero) digits is 252000, while the sum is 39.

The spelling of 22557232605 in words is "twenty-two billion, five hundred fifty-seven million, two hundred thirty-two thousand, six hundred five".