22572325 has 12 divisors (see below), whose sum is σ = 28059588. Its totient is φ = 18012800.

The previous prime is 22572317. The next prime is 22572401. The reversal of 22572325 is 52327522.

It can be written as a sum of positive squares in 6 ways, for example, as 1723969 + 20848356 = 1313^2 + 4566^2 .

It is not a de Polignac number, because 22572325 - 2³ = 22572317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22572293 and 22572302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12159 + ... + 13891.

It is an arithmetic number, because the mean of its divisors is an integer number (2338299).

Almost surely, 2^22572325 is an apocalyptic number.

22572325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22572325 is a deficient number, since it is larger than the sum of its proper divisors (5487263).

22572325 is a wasteful number, since it uses less digits than its factorization.

22572325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264 (or 2259 counting only the distinct ones).

The product of its digits is 8400, while the sum is 28.

The square root of 22572325 is about 4751.0340979623. The cubic root of 22572325 is about 282.6129759321.

Adding to 22572325 its reverse (52327522), we get a palindrome (74899847).

The spelling of 22572325 in words is "twenty-two million, five hundred seventy-two thousand, three hundred twenty-five".