22015477057 has 16 divisors (see below), whose sum is σ = 25450402432. Its totient is φ = 18653483520.

The previous prime is 22015476949. The next prime is 22015477067. The reversal of 22015477057 is 75077451022.

It is a de Polignac number, because none of the positive numbers 2^k-22015477057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22015477067) 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, 560182 + ... + 598192.

It is an arithmetic number, because the mean of its divisors is an integer number (1590650152).

Almost surely, 2^22015477057 is an apocalyptic number.

It is an amenable number.

22015477057 is a deficient number, since it is larger than the sum of its proper divisors (3434925375).

22015477057 is an equidigital number, since it uses as much as digits as its factorization.

22015477057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38968.

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 22015477057 in words is "twenty-two billion, fifteen million, four hundred seventy-seven thousand, fifty-seven".