22302992 has 10 divisors (see below), whose sum is σ = 43212078. Its totient is φ = 11151488.

The previous prime is 22302989. The next prime is 22303007. The reversal of 22302992 is 29920322.

It can be written as a sum of positive squares in only one way, i.e., 19219456 + 3083536 = 4384^2 + 1756^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 696953 + ... + 696984.

Almost surely, 2^22302992 is an apocalyptic number.

It is an amenable number.

22302992 is a deficient number, since it is larger than the sum of its proper divisors (20909086).

22302992 is a wasteful number, since it uses less digits than its factorization.

22302992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393945 (or 1393939 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 22302992 is about 4722.6043662369. The cubic root of 22302992 is about 281.4844292670.

The spelling of 22302992 in words is "twenty-two million, three hundred two thousand, nine hundred ninety-two".