22689925 has 12 divisors (see below), whose sum is σ = 28614240. Its totient is φ = 17843120.

The previous prime is 22689913. The next prime is 22689929. The reversal of 22689925 is 52998622.

It is not a de Polignac number, because 22689925 - 2⁵ = 22689893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22689929) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 6217 + ... + 9166.

It is an arithmetic number, because the mean of its divisors is an integer number (2384520).

Almost surely, 2^22689925 is an apocalyptic number.

22689925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22689925 is a deficient number, since it is larger than the sum of its proper divisors (5924315).

22689925 is a wasteful number, since it uses less digits than its factorization.

22689925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15452 (or 15447 counting only the distinct ones).

The product of its digits is 155520, while the sum is 43.

The square root of 22689925 is about 4763.3942729948. The cubic root of 22689925 is about 283.1029230203.

The spelling of 22689925 in words is "twenty-two million, six hundred eighty-nine thousand, nine hundred twenty-five".