22452424 has 16 divisors (see below), whose sum is σ = 42148620. Its totient is φ = 11212800.

The previous prime is 22452421. The next prime is 22452431. The reversal of 22452424 is 42425422.

It can be written as a sum of positive squares in 2 ways, for example, as 22372900 + 79524 = 4730^2 + 282^2 .

It is a super-2 number, since 2×22452424² = 1008222686951552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22452421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11932 + ... + 13684.

Almost surely, 2^22452424 is an apocalyptic number.

It is an amenable number.

22452424 is a deficient number, since it is larger than the sum of its proper divisors (19696196).

22452424 is a wasteful number, since it uses less digits than its factorization.

22452424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360 (or 3356 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 22452424 is about 4738.3988856997. The cubic root of 22452424 is about 282.1116872289. Note that the first 3 decimals are identical.

Adding to 22452424 its reverse (42425422), we get a palindrome (64877846).

The spelling of 22452424 in words is "twenty-two million, four hundred fifty-two thousand, four hundred twenty-four".