22322224 has 20 divisors (see below), whose sum is σ = 45793944. Its totient is φ = 10504448.

The previous prime is 22322197. The next prime is 22322231. The reversal of 22322224 is 42222322.

It is a happy number.

It is a super-3 number, since 3×22322224³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40762 + ... + 41305.

Almost surely, 2^22322224 is an apocalyptic number.

It is an amenable number.

22322224 is an abundant number, since it is smaller than the sum of its proper divisors (23471720).

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

22322224 is a wasteful number, since it uses less digits than its factorization.

22322224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82092 (or 82086 counting only the distinct ones).

The product of its digits is 768, while the sum is 19.

The square root of 22322224 is about 4724.6400921128. The cubic root of 22322224 is about 281.5653145769.

Adding to 22322224 its reverse (42222322), we get a palindrome (64544546).

The spelling of 22322224 in words is "twenty-two million, three hundred twenty-two thousand, two hundred twenty-four".