22332224 has 28 divisors (see below), whose sum is σ = 44593764. Its totient is φ = 11096064.

The previous prime is 22332221. The next prime is 22332227. The reversal of 22332224 is 42223322.

It is an interprime number because it is at equal distance from previous prime (22332221) and next prime (22332227).

It can be written as a sum of positive squares in 2 ways, for example, as 19642624 + 2689600 = 4432^2 + 1640^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22332196 and 22332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10064 + ... + 12080.

Almost surely, 2^22332224 is an apocalyptic number.

It is an amenable number.

22332224 is a deficient number, since it is larger than the sum of its proper divisors (22261540).

22332224 is a wasteful number, since it uses less digits than its factorization.

22332224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202 (or 2192 counting only the distinct ones).

The product of its digits is 1152, while the sum is 20.

The square root of 22332224 is about 4725.6982552846. The cubic root of 22332224 is about 281.6073538885.

Adding to 22332224 its reverse (42223322), we get a palindrome (64555546).

The spelling of 22332224 in words is "twenty-two million, three hundred thirty-two thousand, two hundred twenty-four".