25220868 has 24 divisors (see below), whose sum is σ = 58930368. Its totient is φ = 8395296.

The previous prime is 25220861. The next prime is 25220869. The reversal of 25220868 is 86802252.

It is not an unprimeable number, because it can be changed into a prime (25220861) 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, 14830 + ... + 16442.

It is an arithmetic number, because the mean of its divisors is an integer number (2455432).

Almost surely, 2^25220868 is an apocalyptic number.

It is an amenable number.

25220868 is an abundant number, since it is smaller than the sum of its proper divisors (33709500).

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

25220868 is a wasteful number, since it uses less digits than its factorization.

25220868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2923 (or 2921 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 25220868 is about 5022.0382316346. The cubic root of 25220868 is about 293.2603462808.

The spelling of 25220868 in words is "twenty-five million, two hundred twenty thousand, eight hundred sixty-eight".