22422498 has 48 divisors (see below), whose sum is σ = 53187840. Its totient is φ = 6281184.

The previous prime is 22422487. The next prime is 22422503. The reversal of 22422498 is 89422422.

It is a happy number.

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, 14863 + ... + 16301.

It is an arithmetic number, because the mean of its divisors is an integer number (1108080).

Almost surely, 2^22422498 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22422498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26593920).

22422498 is an abundant number, since it is smaller than the sum of its proper divisors (30765342).

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

22422498 is a wasteful number, since it uses less digits than its factorization.

22422498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1504 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 22422498 is about 4735.2400150362. The cubic root of 22422498 is about 281.9862927797.

It can be divided in two parts, 224 and 22498, that added together give a palindrome (22722).

The spelling of 22422498 in words is "twenty-two million, four hundred twenty-two thousand, four hundred ninety-eight".