22425249 has 32 divisors (see below), whose sum is σ = 37545984. Its totient is φ = 11566080.

The previous prime is 22425239. The next prime is 22425257. The reversal of 22425249 is 94252422.

It is not a de Polignac number, because 22425249 - 2⁴ = 22425233 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22425239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44332 + ... + 44834.

It is an arithmetic number, because the mean of its divisors is an integer number (1173312).

Almost surely, 2^22425249 is an apocalyptic number.

It is an amenable number.

22425249 is a deficient number, since it is larger than the sum of its proper divisors (15120735).

22425249 is a wasteful number, since it uses less digits than its factorization.

22425249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717.

The product of its digits is 11520, while the sum is 30.

The square root of 22425249 is about 4735.5304877067. The cubic root of 22425249 is about 281.9978245393.

The spelling of 22425249 in words is "twenty-two million, four hundred twenty-five thousand, two hundred forty-nine".