228582222 has 16 divisors (see below), whose sum is σ = 498724992. Its totient is φ = 69267320.

The previous prime is 228582209. The next prime is 228582247. The reversal of 228582222 is 222285822.

228582222 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1731618 + ... + 1731749.

It is an arithmetic number, because the mean of its divisors is an integer number (31170312).

Almost surely, 2^228582222 is an apocalyptic number.

228582222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

228582222 is an abundant number, since it is smaller than the sum of its proper divisors (270142770).

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

228582222 is a wasteful number, since it uses less digits than its factorization.

228582222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3463383.

The product of its digits is 20480, while the sum is 33.

The square root of 228582222 is about 15118.9358752526. The cubic root of 228582222 is about 611.4310413421.

The spelling of 228582222 in words is "two hundred twenty-eight million, five hundred eighty-two thousand, two hundred twenty-two".