22651125 has 32 divisors (see below), whose sum is σ = 43080960. Its totient is φ = 10353600.

The previous prime is 22651099. The next prime is 22651163. The reversal of 22651125 is 52115622.

It is a happy number.

It is not a de Polignac number, because 22651125 - 2⁵ = 22651093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22651095 and 22651104.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1690 + ... + 6939.

It is an arithmetic number, because the mean of its divisors is an integer number (1346280).

Almost surely, 2^22651125 is an apocalyptic number.

22651125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22651125 is a deficient number, since it is larger than the sum of its proper divisors (20429835).

22651125 is an equidigital number, since it uses as much as digits as its factorization.

22651125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8654 (or 8644 counting only the distinct ones).

The product of its digits is 1200, while the sum is 24.

The square root of 22651125 is about 4759.3198043418. The cubic root of 22651125 is about 282.9414613362.

Adding to 22651125 its reverse (52115622), we get a palindrome (74766747).

The spelling of 22651125 in words is "twenty-two million, six hundred fifty-one thousand, one hundred twenty-five".