2221322132 has 12 divisors (see below), whose sum is σ = 3891019776. Its totient is φ = 1109602200.

The previous prime is 2221322071. The next prime is 2221322203. The reversal of 2221322132 is 2312231222.

It is a happy number.

It is a super-2 number, since 2×2221322132² = 9868544028226050848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 259988 + ... + 268395.

It is an arithmetic number, because the mean of its divisors is an integer number (324251648).

Almost surely, 2^2221322132 is an apocalyptic number.

It is an amenable number.

2221322132 is a deficient number, since it is larger than the sum of its proper divisors (1669697644).

2221322132 is a wasteful number, since it uses less digits than its factorization.

2221322132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529438 (or 529436 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 2221322132 is about 47130.9042136898. The cubic root of 2221322132 is about 1304.7796698924.

Adding to 2221322132 its reverse (2312231222), we get a palindrome (4533553354).

The spelling of 2221322132 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, one hundred thirty-two".