222222322 has 32 divisors (see below), whose sum is σ = 400702464. Its totient is φ = 90417600.

The previous prime is 222222281. The next prime is 222222367. The reversal of 222222322 is 223222222.

It is a self number, because there is not a number n which added to its sum of digits gives 222222322.

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 in 15 ways as a sum of consecutive naturals, for example, 18172 + ... + 27832.

It is an arithmetic number, because the mean of its divisors is an integer number (12521952).

Almost surely, 2^222222322 is an apocalyptic number.

222222322 is a deficient number, since it is larger than the sum of its proper divisors (178480142).

222222322 is a wasteful number, since it uses less digits than its factorization.

222222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9754.

The product of its digits is 768, while the sum is 19.

The square root of 222222322 is about 14907.1231966466. The cubic root of 222222322 is about 605.7069549315.

Adding to 222222322 its reverse (223222222), we get a palindrome (445444544).

The spelling of 222222322 in words is "two hundred twenty-two million, two hundred twenty-two thousand, three hundred twenty-two".