22556284 has 12 divisors (see below), whose sum is σ = 41189904. Its totient is φ = 10787744.

The previous prime is 22556267. The next prime is 22556293. The reversal of 22556284 is 48265522.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 122497 + ... + 122680.

It is an arithmetic number, because the mean of its divisors is an integer number (3432492).

Almost surely, 2^22556284 is an apocalyptic number.

It is an amenable number.

22556284 is a deficient number, since it is larger than the sum of its proper divisors (18633620).

22556284 is a wasteful number, since it uses less digits than its factorization.

22556284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245204 (or 245202 counting only the distinct ones).

The product of its digits is 38400, while the sum is 34.

The square root of 22556284 is about 4749.3456391381. The cubic root of 22556284 is about 282.5460138586.

The spelling of 22556284 in words is "twenty-two million, five hundred fifty-six thousand, two hundred eighty-four".