22925890 has 16 divisors (see below), whose sum is σ = 44441208. Its totient is φ = 8464896.

The previous prime is 22925873. The next prime is 22925893. The reversal of 22925890 is 9852922.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15046641 + 7879249 = 3879^2 + 2807^2 .

It is not an unprimeable number, because it can be changed into a prime (22925893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88047 + ... + 88306.

Almost surely, 2^22925890 is an apocalyptic number.

22925890 is a deficient number, since it is larger than the sum of its proper divisors (21515318).

22925890 is a wasteful number, since it uses less digits than its factorization.

22925890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176373.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 22925890 is about 4788.0987876192. The cubic root of 22925890 is about 284.0809215282.

The spelling of 22925890 in words is "twenty-two million, nine hundred twenty-five thousand, eight hundred ninety".