25220958 has 32 divisors (see below), whose sum is σ = 57798144. Its totient is φ = 7187232.

The previous prime is 25220947. The next prime is 25220959. The reversal of 25220958 is 85902252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25220959) 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 15 ways as a sum of consecutive naturals, for example, 27991 + ... + 28877.

It is an arithmetic number, because the mean of its divisors is an integer number (1806192).

Almost surely, 2^25220958 is an apocalyptic number.

25220958 is an abundant number, since it is smaller than the sum of its proper divisors (32577186).

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

25220958 is a wasteful number, since it uses less digits than its factorization.

25220958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576.

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 25220958 is about 5022.0471921319. The cubic root of 25220958 is about 293.2606951109.

The spelling of 25220958 in words is "twenty-five million, two hundred twenty thousand, nine hundred fifty-eight".