22905922 has 20 divisors (see below), whose sum is σ = 37314846. Its totient is φ = 10545600.

The previous prime is 22905881. The next prime is 22905941. The reversal of 22905922 is 22950922.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 47961 + 22857961 = 219^2 + 4781^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 56922 + ... + 57322.

Almost surely, 2^22905922 is an apocalyptic number.

22905922 is a deficient number, since it is larger than the sum of its proper divisors (14408924).

22905922 is an frugal number, since it uses more digits than its factorization.

22905922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455 (or 416 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 22905922 is about 4786.0131633751. The cubic root of 22905922 is about 283.9984212701.

The spelling of 22905922 in words is "twenty-two million, nine hundred five thousand, nine hundred twenty-two".