25246220 has 12 divisors (see below), whose sum is σ = 53017104. Its totient is φ = 10098480.

The previous prime is 25246219. The next prime is 25246229. The reversal of 25246220 is 2264252.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25246229) 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, 631136 + ... + 631175.

It is an arithmetic number, because the mean of its divisors is an integer number (4418092).

Almost surely, 2^25246220 is an apocalyptic number.

25246220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25246220 is an abundant number, since it is smaller than the sum of its proper divisors (27770884).

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

25246220 is a wasteful number, since it uses less digits than its factorization.

25246220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1262320 (or 1262318 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 25246220 is about 5024.5616724248. The cubic root of 25246220 is about 293.3585750776.

The spelling of 25246220 in words is "twenty-five million, two hundred forty-six thousand, two hundred twenty".