1322131332 has 12 divisors (see below), whose sum is σ = 3084973136. Its totient is φ = 440710440.

The previous prime is 1322131331. The next prime is 1322131337. The reversal of 1322131332 is 2331312231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1322131332³ (a number of 28 digits) contains 333 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1322131299 and 1322131308.

It is not an unprimeable number, because it can be changed into a prime (1322131331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55088794 + ... + 55088817.

Almost surely, 2^1322131332 is an apocalyptic number.

1322131332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322131332 is an abundant number, since it is smaller than the sum of its proper divisors (1762841804).

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

1322131332 is a wasteful number, since it uses less digits than its factorization.

1322131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110177618 (or 110177616 counting only the distinct ones).

The product of its digits is 648, while the sum is 21.

The square root of 1322131332 is about 36361.1239100224. The cubic root of 1322131332 is about 1097.5513942063.

Adding to 1322131332 its reverse (2331312231), we get a palindrome (3653443563).

The spelling of 1322131332 in words is "one billion, three hundred twenty-two million, one hundred thirty-one thousand, three hundred thirty-two".