2312221132 has 12 divisors (see below), whose sum is σ = 4357647616. Its totient is φ = 1067178960.

The previous prime is 2312221103. The next prime is 2312221159. The reversal of 2312221132 is 2311222132.

It is a super-2 number, since 2×2312221132² = 10692733126534722848, which contains 22 as substring.

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, 22232844 + ... + 22232947.

Almost surely, 2^2312221132 is an apocalyptic number.

It is an amenable number.

2312221132 is a deficient number, since it is larger than the sum of its proper divisors (2045426484).

2312221132 is a wasteful number, since it uses less digits than its factorization.

2312221132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44465808 (or 44465806 counting only the distinct ones).

The product of its digits is 288, while the sum is 19.

The square root of 2312221132 is about 48085.5605353624. The cubic root of 2312221132 is about 1322.3399595503.

Adding to 2312221132 its reverse (2311222132), we get a palindrome (4623443264).

The spelling of 2312221132 in words is "two billion, three hundred twelve million, two hundred twenty-one thousand, one hundred thirty-two".