22891925 has 12 divisors (see below), whose sum is σ = 32441376. Its totient is φ = 15697200.

The previous prime is 22891907. The next prime is 22891927. The reversal of 22891925 is 52919822.

It is not a de Polignac number, because 22891925 - 2⁶ = 22891861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22891927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65231 + ... + 65580.

It is an arithmetic number, because the mean of its divisors is an integer number (2703448).

Almost surely, 2^22891925 is an apocalyptic number.

22891925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22891925 is a deficient number, since it is larger than the sum of its proper divisors (9549451).

22891925 is a wasteful number, since it uses less digits than its factorization.

22891925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130828 (or 130823 counting only the distinct ones).

The product of its digits is 25920, while the sum is 38.

The square root of 22891925 is about 4784.5506581078. The cubic root of 22891925 is about 283.9405623481.

The spelling of 22891925 in words is "twenty-two million, eight hundred ninety-one thousand, nine hundred twenty-five".