25822490 has 16 divisors (see below), whose sum is σ = 49214952. Its totient is φ = 9721344.

The previous prime is 25822483. The next prime is 25822523. The reversal of 25822490 is 9422852.

It can be written as a sum of positive squares in 4 ways, for example, as 25816561 + 5929 = 5081^2 + 77^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75779 + ... + 76118.

Almost surely, 2^25822490 is an apocalyptic number.

25822490 is a deficient number, since it is larger than the sum of its proper divisors (23392462).

25822490 is a wasteful number, since it uses less digits than its factorization.

25822490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151921.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 25822490 is about 5081.5834146455. The cubic root of 25822490 is about 295.5738709407.

The spelling of 25822490 in words is "twenty-five million, eight hundred twenty-two thousand, four hundred ninety".