22242628 has 12 divisors (see below), whose sum is σ = 39121600. Its totient is φ = 11065032.

The previous prime is 22242611. The next prime is 22242629. The reversal of 22242628 is 82624222.

It is a junction number, because it is equal to n+sod(n) for n = 22242596 and 22242605.

It is not an unprimeable number, because it can be changed into a prime (22242629) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13176 + ... + 14767.

Almost surely, 2^22242628 is an apocalyptic number.

It is an amenable number.

22242628 is a deficient number, since it is larger than the sum of its proper divisors (16878972).

22242628 is a wasteful number, since it uses less digits than its factorization.

22242628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28146 (or 28144 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 22242628 is about 4716.2090708534. The cubic root of 22242628 is about 281.2302499382.

The spelling of 22242628 in words is "twenty-two million, two hundred forty-two thousand, six hundred twenty-eight".