22496049 has 45 divisors (see below), whose sum is σ = 36886971. Its totient is φ = 13659840.

The previous prime is 22496041. The next prime is 22496053. The reversal of 22496049 is 94069422.

The square root of 22496049 is 4743.

It is a perfect power (a square), and thus also a powerful number.

22496049 is a `hidden beast` number, since 2 + 2 + 49 + 604 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17514225 + 4981824 = 4185^2 + 2232^2 .

It is not a de Polignac number, because 22496049 - 2³ = 22496041 is a prime.

It is a super-2 number, since 2×22496049² = 1012144441220802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22496041) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 725664 + ... + 725694.

Almost surely, 2^22496049 is an apocalyptic number.

22496049 is the 4743-rd square number.

22496049 is the 2372-nd centered octagonal number.

It is an amenable number.

22496049 is a deficient number, since it is larger than the sum of its proper divisors (14390922).

22496049 is an equidigital number, since it uses as much as digits as its factorization.

22496049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108 (or 51 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The cubic root of 22496049 is about 282.2942831043.

Multiplying 22496049 by its sum of digits (36), we get a square (809857764 = 28458²).

The spelling of 22496049 in words is "twenty-two million, four hundred ninety-six thousand, forty-nine".