22423490 has 16 divisors (see below), whose sum is σ = 40780152. Its totient is φ = 8876544.

The previous prime is 22423469. The next prime is 22423537. The reversal of 22423490 is 9432422.

It can be written as a sum of positive squares in 4 ways, for example, as 9369721 + 13053769 = 3061^2 + 3613^2 .

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, 10589 + ... + 12528.

Almost surely, 2^22423490 is an apocalyptic number.

22423490 is a deficient number, since it is larger than the sum of its proper divisors (18356662).

22423490 is a wasteful number, since it uses less digits than its factorization.

22423490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23221.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 22423490 is about 4735.3447604161. The cubic root of 22423490 is about 281.9904511965.

The spelling of 22423490 in words is "twenty-two million, four hundred twenty-three thousand, four hundred ninety".