2221332222 has 16 divisors (see below), whose sum is σ = 4562736912. Its totient is φ = 720432000.

The previous prime is 2221332167. The next prime is 2221332229. The reversal of 2221332222 is 2222331222.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221332229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5002779 + ... + 5003222.

It is an arithmetic number, because the mean of its divisors is an integer number (285171057).

Almost surely, 2^2221332222 is an apocalyptic number.

2221332222 is an abundant number, since it is smaller than the sum of its proper divisors (2341404690).

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

2221332222 is a wasteful number, since it uses less digits than its factorization.

2221332222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10006043.

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

The square root of 2221332222 is about 47131.0112558600. The cubic root of 2221332222 is about 1304.7816454737.

Adding to 2221332222 its reverse (2222331222), we get a palindrome (4443663444).

The spelling of 2221332222 in words is "two billion, two hundred twenty-one million, three hundred thirty-two thousand, two hundred twenty-two".