22454925 has 24 divisors (see below), whose sum is σ = 37381536. Its totient is φ = 11893440.

The previous prime is 22454917. The next prime is 22454953. The reversal of 22454925 is 52945422.

It is not a de Polignac number, because 22454925 - 2³ = 22454917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10822 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (1557564).

Almost surely, 2^22454925 is an apocalyptic number.

22454925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22454925 is a deficient number, since it is larger than the sum of its proper divisors (14926611).

22454925 is a wasteful number, since it uses less digits than its factorization.

22454925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2072 counting only the distinct ones).

The product of its digits is 28800, while the sum is 33.

The square root of 22454925 is about 4738.6627860611. The cubic root of 22454925 is about 282.1221617495.

The spelling of 22454925 in words is "twenty-two million, four hundred fifty-four thousand, nine hundred twenty-five".