22557232645 has 8 divisors (see below), whose sum is σ = 27070901280. Its totient is φ = 18044304720.

The previous prime is 22557232601. The next prime is 22557232699. The reversal of 22557232645 is 54623275522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22557232645 - 2¹⁵ = 22557199877 is a prime.

It is a super-3 number, since 3×22557232645³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115815 + ... + 241924.

It is an arithmetic number, because the mean of its divisors is an integer number (3383862660).

Almost surely, 2^22557232645 is an apocalyptic number.

It is an amenable number.

22557232645 is a deficient number, since it is larger than the sum of its proper divisors (4513668635).

22557232645 is a wasteful number, since it uses less digits than its factorization.

22557232645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370355.

The product of its digits is 1008000, while the sum is 43.

The spelling of 22557232645 in words is "twenty-two billion, five hundred fifty-seven million, two hundred thirty-two thousand, six hundred forty-five".