25228832 has 24 divisors (see below), whose sum is σ = 50115996. Its totient is φ = 12500992.

The previous prime is 25228787. The next prime is 25228837. The reversal of 25228832 is 23882252.

It can be written as a sum of positive squares in 2 ways, for example, as 19678096 + 5550736 = 4436^2 + 2356^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (25228837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128 + ... + 7104.

Almost surely, 2^25228832 is an apocalyptic number.

It is an amenable number.

25228832 is a deficient number, since it is larger than the sum of its proper divisors (24887164).

25228832 is a wasteful number, since it uses less digits than its factorization.

25228832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100 (or 7092 counting only the distinct ones).

The product of its digits is 15360, while the sum is 32.

The square root of 25228832 is about 5022.8310742051. The cubic root of 25228832 is about 293.2912106641.

The spelling of 25228832 in words is "twenty-five million, two hundred twenty-eight thousand, eight hundred thirty-two".