22545912 has 16 divisors (see below), whose sum is σ = 56364840. Its totient is φ = 7515296.

The previous prime is 22545907. The next prime is 22545923. The reversal of 22545912 is 21954522.

It is a self number, because there is not a number n which added to its sum of digits gives 22545912.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469683 + ... + 469730.

Almost surely, 2^22545912 is an apocalyptic number.

It is an amenable number.

22545912 is an abundant number, since it is smaller than the sum of its proper divisors (33818928).

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

22545912 is a wasteful number, since it uses less digits than its factorization.

22545912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 939422 (or 939418 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 22545912 is about 4748.2535736837. The cubic root of 22545912 is about 282.5026997419.

The spelling of 22545912 in words is "twenty-two million, five hundred forty-five thousand, nine hundred twelve".