22228230 has 64 divisors (see below), whose sum is σ = 55157760. Its totient is φ = 5730816.

The previous prime is 22228223. The next prime is 22228243. The reversal of 22228230 is 3282222.

It is a junction number, because it is equal to n+sod(n) for n = 22228197 and 22228206.

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 31 ways as a sum of consecutive naturals, for example, 196654 + ... + 196766.

It is an arithmetic number, because the mean of its divisors is an integer number (861840).

Almost surely, 2^22228230 is an apocalyptic number.

22228230 is an abundant number, since it is smaller than the sum of its proper divisors (32929530).

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

22228230 is a wasteful number, since it uses less digits than its factorization.

22228230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 22228230 is about 4714.6823859089. The cubic root of 22228230 is about 281.1695552645.

The spelling of 22228230 in words is "twenty-two million, two hundred twenty-eight thousand, two hundred thirty".