22473490 has 32 divisors (see below), whose sum is σ = 46131120. Its totient is φ = 7809024.

The previous prime is 22473427. The next prime is 22473547. The reversal of 22473490 is 9437422.

It can be written as a sum of positive squares in 8 ways, for example, as 14447601 + 8025889 = 3801^2 + 2833^2 .

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 15 ways as a sum of consecutive naturals, for example, 2875 + ... + 7294.

Almost surely, 2^22473490 is an apocalyptic number.

22473490 is an abundant number, since it is smaller than the sum of its proper divisors (23657630).

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

22473490 is a wasteful number, since it uses less digits than its factorization.

22473490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10206.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 22473490 is about 4740.6212673024. The cubic root of 22473490 is about 282.1998901346.

The spelling of 22473490 in words is "twenty-two million, four hundred seventy-three thousand, four hundred ninety".