22572125 has 16 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 17971600.

The previous prime is 22572113. The next prime is 22572127. The reversal of 22572125 is 52127522.

It is a de Polignac number, because none of the positive numbers 2^k-22572125 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22572094 and 22572103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22572127) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 44624 + ... + 45126.

It is an arithmetic number, because the mean of its divisors is an integer number (1769040).

Almost surely, 2^22572125 is an apocalyptic number.

22572125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22572125 is a deficient number, since it is larger than the sum of its proper divisors (5732515).

22572125 is an equidigital number, since it uses as much as digits as its factorization.

22572125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877 (or 867 counting only the distinct ones).

The product of its digits is 2800, while the sum is 26.

The square root of 22572125 is about 4751.0130498663. The cubic root of 22572125 is about 282.6121412409.

Adding to 22572125 its reverse (52127522), we get a palindrome (74699647).

It can be divided in two parts, 22572 and 125, that multiplied together give a triangular number (2821500 = T₂₃₇₅).

The spelling of 22572125 in words is "twenty-two million, five hundred seventy-two thousand, one hundred twenty-five".