22425939 has 12 divisors (see below), whose sum is σ = 32715072. Its totient is φ = 14802000.

The previous prime is 22425937. The next prime is 22425973. The reversal of 22425939 is 93952422.

22425939 is a `hidden beast` number, since 22 + 42 + 593 + 9 = 666.

It is not a de Polignac number, because 22425939 - 2¹ = 22425937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22425937) 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, 11427 + ... + 13244.

It is an arithmetic number, because the mean of its divisors is an integer number (2726256).

Almost surely, 2^22425939 is an apocalyptic number.

22425939 is a deficient number, since it is larger than the sum of its proper divisors (10289133).

22425939 is a wasteful number, since it uses less digits than its factorization.

22425939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24778 (or 24775 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 22425939 is about 4735.6033406526. The cubic root of 22425939 is about 282.0007167629. Note that the first 3 decimals are identical.

The spelling of 22425939 in words is "twenty-two million, four hundred twenty-five thousand, nine hundred thirty-nine".