22382228 has 48 divisors (see below), whose sum is σ = 46146240. Its totient is φ = 9388800.

The previous prime is 22382189. The next prime is 22382237. The reversal of 22382228 is 82228322.

It is a self number, because there is not a number n which added to its sum of digits gives 22382228.

It is a congruent number.

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, 33950 + ... + 34602.

It is an arithmetic number, because the mean of its divisors is an integer number (961380).

Almost surely, 2^22382228 is an apocalyptic number.

It is an amenable number.

22382228 is an abundant number, since it is smaller than the sum of its proper divisors (23764012).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22382228 is a wasteful number, since it uses less digits than its factorization.

22382228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 726 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 22382228 is about 4730.9859437542. The cubic root of 22382228 is about 281.8173792050.

The spelling of 22382228 in words is "twenty-two million, three hundred eighty-two thousand, two hundred twenty-eight".