22464424 has 16 divisors (see below), whose sum is σ = 42556500. Its totient is φ = 11116032.

The previous prime is 22464413. The next prime is 22464443. The reversal of 22464424 is 42446422.

It can be written as a sum of positive squares in 2 ways, for example, as 20160100 + 2304324 = 4490^2 + 1518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22464392 and 22464401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13699 + ... + 15250.

Almost surely, 2^22464424 is an apocalyptic number.

It is an amenable number.

22464424 is a deficient number, since it is larger than the sum of its proper divisors (20092076).

22464424 is a wasteful number, since it uses less digits than its factorization.

22464424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29052 (or 29048 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 22464424 is about 4739.6649670625. The cubic root of 22464424 is about 282.1619377395.

It can be divided in two parts, 2246 and 4424, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 22464424 in words is "twenty-two million, four hundred sixty-four thousand, four hundred twenty-four".