25622090 has 24 divisors (see below), whose sum is σ = 49943628. Its totient is φ = 9459840.

The previous prime is 25622087. The next prime is 25622117. The reversal of 25622090 is 9022652.

It can be written as a sum of positive squares in 6 ways, for example, as 3031081 + 22591009 = 1741^2 + 4753^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 5891 + ... + 9270.

Almost surely, 2^25622090 is an apocalyptic number.

25622090 is a deficient number, since it is larger than the sum of its proper divisors (24321538).

25622090 is a wasteful number, since it uses less digits than its factorization.

25622090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15194 (or 15181 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 25622090 is about 5061.8267453559. The cubic root of 25622090 is about 294.8072666200.

The spelling of 25622090 in words is "twenty-five million, six hundred twenty-two thousand, ninety".