25012266 has 16 divisors (see below), whose sum is σ = 50083488. Its totient is φ = 8327600.

The previous prime is 25012241. The next prime is 25012271. The reversal of 25012266 is 66221052.

It is a super-2 number, since 2×25012266² = 1251226900909512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4636 + ... + 8456.

It is an arithmetic number, because the mean of its divisors is an integer number (3130218).

Almost surely, 2^25012266 is an apocalyptic number.

25012266 is an abundant number, since it is smaller than the sum of its proper divisors (25071222).

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

25012266 is a wasteful number, since it uses less digits than its factorization.

25012266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4917.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 25012266 is about 5001.2264495821. The cubic root of 25012266 is about 292.4495873378.

The spelling of 25012266 in words is "twenty-five million, twelve thousand, two hundred sixty-six".