1222332222 has 16 divisors (see below), whose sum is σ = 2510736912. Its totient is φ = 396432000.

The previous prime is 1222332203. The next prime is 1222332239. The reversal of 1222332222 is 2222332221.

It is a nude number because it is divisible by every one of its digits.

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, 2752779 + ... + 2753222.

It is an arithmetic number, because the mean of its divisors is an integer number (156921057).

Almost surely, 2^1222332222 is an apocalyptic number.

1222332222 is an abundant number, since it is smaller than the sum of its proper divisors (1288404690).

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

1222332222 is a wasteful number, since it uses less digits than its factorization.

1222332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506043.

The product of its digits is 1152, while the sum is 21.

The square root of 1222332222 is about 34961.8681137035. The cubic root of 1222332222 is about 1069.2101843149.

Adding to 1222332222 its reverse (2222332221), we get a palindrome (3444664443).

Subtracting 1222332222 from its reverse (2222332221), we obtain a palindrome (999999999).

The spelling of 1222332222 in words is "one billion, two hundred twenty-two million, three hundred thirty-two thousand, two hundred twenty-two".