25225552 has 40 divisors (see below), whose sum is σ = 56460672. Its totient is φ = 10790400.

The previous prime is 25225523. The next prime is 25225553. The reversal of 25225552 is 25552252.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25225552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25225553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224 + ... + 7207.

Almost surely, 2^25225552 is an apocalyptic number.

25225552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25225552 is an abundant number, since it is smaller than the sum of its proper divisors (31235120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25225552 is a wasteful number, since it uses less digits than its factorization.

25225552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8467 (or 8461 counting only the distinct ones).

The product of its digits is 10000, while the sum is 28.

The square root of 25225552 is about 5022.5045545027. The cubic root of 25225552 is about 293.2784998515.

The spelling of 25225552 in words is "twenty-five million, two hundred twenty-five thousand, five hundred fifty-two".