25287922 has 16 divisors (see below), whose sum is σ = 41461632. Its totient is φ = 11471920.

The previous prime is 25287919. The next prime is 25287923. The reversal of 25287922 is 22978252.

It is not an unprimeable number, because it can be changed into a prime (25287923) by changing a digit.

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, 16263 + ... + 17749.

It is an arithmetic number, because the mean of its divisors is an integer number (2591352).

Almost surely, 2^25287922 is an apocalyptic number.

25287922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

25287922 is a deficient number, since it is larger than the sum of its proper divisors (16173710).

25287922 is a wasteful number, since it uses less digits than its factorization.

25287922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2273.

The product of its digits is 40320, while the sum is 37.

The square root of 25287922 is about 5028.7097748826. The cubic root of 25287922 is about 293.5200105926.

The spelling of 25287922 in words is "twenty-five million, two hundred eighty-seven thousand, nine hundred twenty-two".