22496818 has 16 divisors (see below), whose sum is σ = 34745760. Its totient is φ = 10919776.

The previous prime is 22496813. The next prime is 22496821. The reversal of 22496818 is 81869422.

It is a super-2 number, since 2×22496818² = 1012213640250248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22496813) 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, 8646 + ... + 10942.

It is an arithmetic number, because the mean of its divisors is an integer number (2171610).

Almost surely, 2^22496818 is an apocalyptic number.

22496818 is a deficient number, since it is larger than the sum of its proper divisors (12248942).

22496818 is a wasteful number, since it uses less digits than its factorization.

22496818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441.

The product of its digits is 55296, while the sum is 40.

The square root of 22496818 is about 4743.0810661426. The cubic root of 22496818 is about 282.2974996963.

The spelling of 22496818 in words is "twenty-two million, four hundred ninety-six thousand, eight hundred eighteen".