22302988 has 6 divisors (see below), whose sum is σ = 39030236. Its totient is φ = 11151492.

The previous prime is 22302953. The next prime is 22302989. The reversal of 22302988 is 88920322.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22302989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787870 + ... + 2787877.

Almost surely, 2^22302988 is an apocalyptic number.

It is an amenable number.

22302988 is a deficient number, since it is larger than the sum of its proper divisors (16727248).

22302988 is a wasteful number, since it uses less digits than its factorization.

22302988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575751 (or 5575749 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 22302988 is about 4722.6039427418. The cubic root of 22302988 is about 281.4844124391.

The spelling of 22302988 in words is "twenty-two million, three hundred two thousand, nine hundred eighty-eight".