22552021892 has 12 divisors (see below), whose sum is σ = 39476324160. Its totient is φ = 11273072136.

The previous prime is 22552021873. The next prime is 22552021951. The reversal of 22552021892 is 29812025522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 717392 + ... + 748167.

It is an arithmetic number, because the mean of its divisors is an integer number (3289693680).

Almost surely, 2^22552021892 is an apocalyptic number.

It is an amenable number.

22552021892 is a deficient number, since it is larger than the sum of its proper divisors (16924302268).

22552021892 is a wasteful number, since it uses less digits than its factorization.

22552021892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469410 (or 1469408 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 38.

The spelling of 22552021892 in words is "twenty-two billion, five hundred fifty-two million, twenty-one thousand, eight hundred ninety-two".