22652228 has 48 divisors (see below), whose sum is σ = 43997184. Its totient is φ = 10160640.

The previous prime is 22652209. The next prime is 22652233. The reversal of 22652228 is 82225622.

It is a self number, because there is not a number n which added to its sum of digits gives 22652228.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178301 + ... + 178427.

It is an arithmetic number, because the mean of its divisors is an integer number (916608).

Almost surely, 2^22652228 is an apocalyptic number.

It is an amenable number.

22652228 is a deficient number, since it is larger than the sum of its proper divisors (21344956).

22652228 is a wasteful number, since it uses less digits than its factorization.

22652228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 250 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 22652228 is about 4759.4356808344. The cubic root of 22652228 is about 282.9460538876.

The spelling of 22652228 in words is "twenty-two million, six hundred fifty-two thousand, two hundred twenty-eight".