22427125 has 48 divisors (see below), whose sum is σ = 34235136. Its totient is φ = 14364000.

The previous prime is 22427107. The next prime is 22427137. The reversal of 22427125 is 52172422.

It is not a de Polignac number, because 22427125 - 2¹¹ = 22425077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22427125.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315840 + ... + 315910.

It is an arithmetic number, because the mean of its divisors is an integer number (713232).

Almost surely, 2^22427125 is an apocalyptic number.

22427125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22427125 is a deficient number, since it is larger than the sum of its proper divisors (11808011).

22427125 is an equidigital number, since it uses as much as digits as its factorization.

22427125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131 (or 102 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 22427125 is about 4735.7285606335. The cubic root of 22427125 is about 282.0056878956.

Adding to 22427125 its reverse (52172422), we get a palindrome (74599547).

The spelling of 22427125 in words is "twenty-two million, four hundred twenty-seven thousand, one hundred twenty-five".