25220352 has 36 divisors (see below), whose sum is σ = 67124960. Its totient is φ = 8406528.

The previous prime is 25220339. The next prime is 25220369. The reversal of 25220352 is 25302252.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15652 + ... + 17187.

Almost surely, 2^25220352 is an apocalyptic number.

It is an amenable number.

25220352 is an abundant number, since it is smaller than the sum of its proper divisors (41904608).

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

25220352 is an equidigital number, since it uses as much as digits as its factorization.

25220352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32858 (or 32844 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 25220352 is about 5021.9868578084. The cubic root of 25220352 is about 293.2583463050.

The spelling of 25220352 in words is "twenty-five million, two hundred twenty thousand, three hundred fifty-two".