22023388 has 12 divisors (see below), whose sum is σ = 38710840. Its totient is φ = 10963152.

The previous prime is 22023377. The next prime is 22023389. The reversal of 22023388 is 88332022.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11106 + ... + 12937.

Almost surely, 2^22023388 is an apocalyptic number.

It is an amenable number.

22023388 is a deficient number, since it is larger than the sum of its proper divisors (16687452).

22023388 is a wasteful number, since it uses less digits than its factorization.

22023388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24276 (or 24274 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 22023388 is about 4692.9082667361. The cubic root of 22023388 is about 280.3031919847.

The spelling of 22023388 in words is "twenty-two million, twenty-three thousand, three hundred eighty-eight".