22505922 has 24 divisors (see below), whose sum is σ = 49061376. Its totient is φ = 7456056.

The previous prime is 22505911. The next prime is 22505927. The reversal of 22505922 is 22950522.

22505922 is a `hidden beast` number, since 22 + 50 + 592 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (22505927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 738 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (2044224).

Almost surely, 2^22505922 is an apocalyptic number.

22505922 is an abundant number, since it is smaller than the sum of its proper divisors (26555454).

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

22505922 is a wasteful number, since it uses less digits than its factorization.

22505922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662 (or 7659 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22505922 is about 4744.0406827935. The cubic root of 22505922 is about 282.3355745599.

The spelling of 22505922 in words is "twenty-two million, five hundred five thousand, nine hundred twenty-two".