22290953928 has 64 divisors (see below), whose sum is σ = 59055894720. Its totient is φ = 6987264000.

The previous prime is 22290953921. The next prime is 22290953929. The reversal of 22290953928 is 82935909222.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (22290953921) 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, 467263 + ... + 512753.

It is an arithmetic number, because the mean of its divisors is an integer number (922748355).

Almost surely, 2^22290953928 is an apocalyptic number.

It is an amenable number.

22290953928 is an abundant number, since it is smaller than the sum of its proper divisors (36764940792).

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

22290953928 is a wasteful number, since it uses less digits than its factorization.

22290953928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46718 (or 46714 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 51.

The spelling of 22290953928 in words is "twenty-two billion, two hundred ninety million, nine hundred fifty-three thousand, nine hundred twenty-eight".