25332224 has 20 divisors (see below), whose sum is σ = 50615994. Its totient is φ = 12665856.

The previous prime is 25332221. The next prime is 25332247. The reversal of 25332224 is 42223352.

It can be written as a sum of positive squares in only one way, i.e., 23814400 + 1517824 = 4880^2 + 1232^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25332224.

It is not an unprimeable number, because it can be changed into a prime (25332221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24227 + ... + 25250.

Almost surely, 2^25332224 is an apocalyptic number.

It is an amenable number.

25332224 is a deficient number, since it is larger than the sum of its proper divisors (25283770).

25332224 is an frugal number, since it uses more digits than its factorization.

25332224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49495 (or 49479 counting only the distinct ones).

The product of its digits is 2880, while the sum is 23.

The square root of 25332224 is about 5033.1127545486. The cubic root of 25332224 is about 293.6913168425.

Adding to 25332224 its reverse (42223352), we get a palindrome (67555576).

The spelling of 25332224 in words is "twenty-five million, three hundred thirty-two thousand, two hundred twenty-four".