22484456 has 24 divisors (see below), whose sum is σ = 43349670. Its totient is φ = 10933056.

The previous prime is 22484453. The next prime is 22484459. The reversal of 22484456 is 65448422.

It is an interprime number because it is at equal distance from previous prime (22484453) and next prime (22484459).

It can be written as a sum of positive squares in 3 ways, for example, as 22372900 + 111556 = 4730^2 + 334^2 .

It is not an unprimeable number, because it can be changed into a prime (22484453) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 9926 + ... + 11978.

Almost surely, 2^22484456 is an apocalyptic number.

22484456 is the 2738-th octagonal number.

It is an amenable number.

22484456 is a deficient number, since it is larger than the sum of its proper divisors (20865214).

22484456 is a wasteful number, since it uses less digits than its factorization.

22484456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2092 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 22484456 is about 4741.7777257058. Note that the first 4 decimals coincide. The cubic root of 22484456 is about 282.2457827365.

The spelling of 22484456 in words is "twenty-two million, four hundred eighty-four thousand, four hundred fifty-six".