83222228 has 24 divisors (see below), whose sum is σ = 155527680. Its totient is φ = 38878560.

The previous prime is 83222207. The next prime is 83222231. The reversal of 83222228 is 82222238.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a self number, because there is not a number n which added to its sum of digits gives 83222228.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7976 + ... + 15167.

It is an arithmetic number, because the mean of its divisors is an integer number (6480320).

Almost surely, 2^83222228 is an apocalyptic number.

It is an amenable number.

83222228 is a deficient number, since it is larger than the sum of its proper divisors (72305452).

83222228 is a wasteful number, since it uses less digits than its factorization.

83222228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23207 (or 23205 counting only the distinct ones).

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

The square root of 83222228 is about 9122.6217722758. The cubic root of 83222228 is about 436.5960271362.

The spelling of 83222228 in words is "eighty-three million, two hundred twenty-two thousand, two hundred twenty-eight".