222133222 has 4 divisors (see below), whose sum is σ = 333199836. Its totient is φ = 111066610.

The previous prime is 222133193. The next prime is 222133273. The reversal of 222133222 is 222331222.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×222133222² = 98686336632202568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222133222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55533304 + ... + 55533307.

It is an arithmetic number, because the mean of its divisors is an integer number (83299959).

Almost surely, 2^222133222 is an apocalyptic number.

222133222 is a deficient number, since it is larger than the sum of its proper divisors (111066614).

222133222 is a wasteful number, since it uses less digits than its factorization.

222133222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111066613.

The product of its digits is 576, while the sum is 19.

The square root of 222133222 is about 14904.1343928455. The cubic root of 222133222 is about 605.6259914116.

Adding to 222133222 its reverse (222331222), we get a palindrome (444464444).

The spelling of 222133222 in words is "two hundred twenty-two million, one hundred thirty-three thousand, two hundred twenty-two".