22625244 has 42 divisors (see below), whose sum is σ = 59371760. Its totient is φ = 7540776.

The previous prime is 22625243. The next prime is 22625263. The reversal of 22625244 is 44252622.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22625243) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 964 + ... + 6795.

Almost surely, 2^22625244 is an apocalyptic number.

It is an amenable number.

22625244 is an abundant number, since it is smaller than the sum of its proper divisors (36746516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22625244 is an equidigital number, since it uses as much as digits as its factorization.

22625244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7781 (or 7764 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 22625244 is about 4756.6000462515. The cubic root of 22625244 is about 282.8336580266.

Adding to 22625244 its reverse (44252622), we get a palindrome (66877866).

The spelling of 22625244 in words is "twenty-two million, six hundred twenty-five thousand, two hundred forty-four".