22922885 has 16 divisors (see below), whose sum is σ = 29609712. Its totient is φ = 16972800.

The previous prime is 22922849. The next prime is 22922891. The reversal of 22922885 is 58822922.

It can be written as a sum of positive squares in 8 ways, for example, as 45796 + 22877089 = 214^2 + 4783^2 .

It is not a de Polignac number, because 22922885 - 2¹² = 22918789 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2975 + ... + 7395.

It is an arithmetic number, because the mean of its divisors is an integer number (1850607).

Almost surely, 2^22922885 is an apocalyptic number.

It is an amenable number.

22922885 is a deficient number, since it is larger than the sum of its proper divisors (6686827).

22922885 is a wasteful number, since it uses less digits than its factorization.

22922885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4504.

The product of its digits is 46080, while the sum is 38.

The square root of 22922885 is about 4787.7849784634. The cubic root of 22922885 is about 284.0685090625.

The spelling of 22922885 in words is "twenty-two million, nine hundred twenty-two thousand, eight hundred eighty-five".