22990328 has 16 divisors (see below), whose sum is σ = 43698480. Its totient is φ = 11337408.

The previous prime is 22990291. The next prime is 22990339. The reversal of 22990328 is 82309922.

It is a congruent number.

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, 19100 + ... + 20267.

It is an arithmetic number, because the mean of its divisors is an integer number (2731155).

Almost surely, 2^22990328 is an apocalyptic number.

It is an amenable number.

22990328 is a deficient number, since it is larger than the sum of its proper divisors (20708152).

22990328 is a wasteful number, since it uses less digits than its factorization.

22990328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39446 (or 39442 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 22990328 is about 4794.8230415731. The cubic root of 22990328 is about 284.3468287997.

The spelling of 22990328 in words is "twenty-two million, nine hundred ninety thousand, three hundred twenty-eight".