22064490 has 48 divisors (see below), whose sum is σ = 65564928. Its totient is φ = 5043168.

The previous prime is 22064477. The next prime is 22064531. The reversal of 22064490 is 9446022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16882 + ... + 18141.

It is an arithmetic number, because the mean of its divisors is an integer number (1365936).

Almost surely, 2^22064490 is an apocalyptic number.

22064490 is an abundant number, since it is smaller than the sum of its proper divisors (43500438).

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

22064490 is a wasteful number, since it uses less digits than its factorization.

22064490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35043 (or 35040 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 22064490 is about 4697.2853862630. The cubic root of 22064490 is about 280.4774591779.

The spelling of 22064490 in words is "twenty-two million, sixty-four thousand, four hundred ninety".