22695045864 has 64 divisors (see below), whose sum is σ = 58309130880. Its totient is φ = 7356672000.

The previous prime is 22695045859. The next prime is 22695045887. The reversal of 22695045864 is 46854059622.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268944 + ... + 343104.

It is an arithmetic number, because the mean of its divisors is an integer number (911080170).

Almost surely, 2^22695045864 is an apocalyptic number.

22695045864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22695045864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29154565440).

22695045864 is an abundant number, since it is smaller than the sum of its proper divisors (35614085016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22695045864 is a wasteful number, since it uses less digits than its factorization.

22695045864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74522 (or 74518 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 22695045864 in words is "twenty-two billion, six hundred ninety-five million, forty-five thousand, eight hundred sixty-four".