22122324 has 54 divisors (see below), whose sum is σ = 65055354. Its totient is φ = 6320160.

The previous prime is 22122311. The next prime is 22122341. The reversal of 22122324 is 42322122.

It can be written as a sum of positive squares in only one way, i.e., 21344400 + 777924 = 4620^2 + 882^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22122297 and 22122306.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 4507 + ... + 8034.

Almost surely, 2^22122324 is an apocalyptic number.

It is an amenable number.

22122324 is an abundant number, since it is smaller than the sum of its proper divisors (42933030).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22122324 is a wasteful number, since it uses less digits than its factorization.

22122324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12565 (or 12553 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 22122324 is about 4703.4374663644. The cubic root of 22122324 is about 280.7223017792.

Adding to 22122324 its reverse (42322122), we get a palindrome (64444446).

The spelling of 22122324 in words is "twenty-two million, one hundred twenty-two thousand, three hundred twenty-four".