22498746 has 32 divisors (see below), whose sum is σ = 47113728. Its totient is φ = 7153920.

The previous prime is 22498739. The next prime is 22498747. The reversal of 22498746 is 64789422.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22498698 and 22498707.

It is not an unprimeable number, because it can be changed into a prime (22498747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12750 + ... + 14406.

It is an arithmetic number, because the mean of its divisors is an integer number (1472304).

Almost surely, 2^22498746 is an apocalyptic number.

22498746 is an abundant number, since it is smaller than the sum of its proper divisors (24614982).

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

22498746 is a wasteful number, since it uses less digits than its factorization.

22498746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its digits is 193536, while the sum is 42.

The square root of 22498746 is about 4743.2843052046. The cubic root of 22498746 is about 282.3055638594.

The spelling of 22498746 in words is "twenty-two million, four hundred ninety-eight thousand, seven hundred forty-six".