22989388 has 24 divisors (see below), whose sum is σ = 40989872. Its totient is φ = 11280384.

The previous prime is 22989377. The next prime is 22989401. The reversal of 22989388 is 88398922.

It is a super-2 number, since 2×22989388² = 1057023921229088, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 74731 + ... + 75037.

Almost surely, 2^22989388 is an apocalyptic number.

It is an amenable number.

22989388 is a deficient number, since it is larger than the sum of its proper divisors (18000484).

22989388 is a wasteful number, since it uses less digits than its factorization.

22989388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601 (or 599 counting only the distinct ones).

The product of its digits is 497664, while the sum is 49.

The square root of 22989388 is about 4794.7250181840. The cubic root of 22989388 is about 284.3429534068.

The spelling of 22989388 in words is "twenty-two million, nine hundred eighty-nine thousand, three hundred eighty-eight".