22730284 has 24 divisors (see below), whose sum is σ = 41061888. Its totient is φ = 11001600.

The previous prime is 22730261. The next prime is 22730293. The reversal of 22730284 is 48203722.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56484 + ... + 56884.

It is an arithmetic number, because the mean of its divisors is an integer number (1710912).

Almost surely, 2^22730284 is an apocalyptic number.

It is an amenable number.

22730284 is a deficient number, since it is larger than the sum of its proper divisors (18331604).

22730284 is a wasteful number, since it uses less digits than its factorization.

22730284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 823 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 22730284 is about 4767.6287607153. The cubic root of 22730284 is about 283.2706771103.

The spelling of 22730284 in words is "twenty-two million, seven hundred thirty thousand, two hundred eighty-four".