22525930 has 16 divisors (see below), whose sum is σ = 46339200. Its totient is φ = 7723152.

The previous prime is 22525927. The next prime is 22525931. The reversal of 22525930 is 3952522.

It is not an unprimeable number, because it can be changed into a prime (22525931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160830 + ... + 160969.

It is an arithmetic number, because the mean of its divisors is an integer number (2896200).

Almost surely, 2^22525930 is an apocalyptic number.

22525930 is an abundant number, since it is smaller than the sum of its proper divisors (23813270).

22525930 is a wasteful number, since it uses less digits than its factorization.

22525930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321813.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 22525930 is about 4746.1489652138. The cubic root of 22525930 is about 282.4192162048.

The spelling of 22525930 in words is "twenty-two million, five hundred twenty-five thousand, nine hundred thirty".