22423998 has 16 divisors (see below), whose sum is σ = 46060560. Its totient is φ = 7272576.

The previous prime is 22423997. The next prime is 22424041. The reversal of 22423998 is 89932422.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22423997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50283 + ... + 50726.

It is an arithmetic number, because the mean of its divisors is an integer number (2878785).

Almost surely, 2^22423998 is an apocalyptic number.

22423998 is an abundant number, since it is smaller than the sum of its proper divisors (23636562).

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

22423998 is a wasteful number, since it uses less digits than its factorization.

22423998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101051.

The product of its digits is 62208, while the sum is 39.

The square root of 22423998 is about 4735.3983992902. The cubic root of 22423998 is about 281.9925806609.

The spelling of 22423998 in words is "twenty-two million, four hundred twenty-three thousand, nine hundred ninety-eight".