25022990 has 16 divisors (see below), whose sum is σ = 46089648. Its totient is φ = 9776256.

The previous prime is 25022939. The next prime is 25022999. The reversal of 25022990 is 9922052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25022999) 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, 28667 + ... + 29526.

It is an arithmetic number, because the mean of its divisors is an integer number (2880603).

Almost surely, 2^25022990 is an apocalyptic number.

25022990 is a deficient number, since it is larger than the sum of its proper divisors (21066658).

25022990 is a wasteful number, since it uses less digits than its factorization.

25022990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58243.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 25022990 is about 5002.2984717028. The cubic root of 25022990 is about 292.4913772509.

The spelling of 25022990 in words is "twenty-five million, twenty-two thousand, nine hundred ninety".