22023998 has 8 divisors (see below), whose sum is σ = 33804408. Its totient is φ = 10755864.

The previous prime is 22023977. The next prime is 22024001. The reversal of 22023998 is 89932022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127961 + ... + 128132.

It is an arithmetic number, because the mean of its divisors is an integer number (4225551).

Almost surely, 2^22023998 is an apocalyptic number.

22023998 is a deficient number, since it is larger than the sum of its proper divisors (11780410).

22023998 is a wasteful number, since it uses less digits than its factorization.

22023998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256138.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 22023998 is about 4692.9732579677. The cubic root of 22023998 is about 280.3057798907.

The spelling of 22023998 in words is "twenty-two million, twenty-three thousand, nine hundred ninety-eight".