1322311220232 has 32 divisors (see below), whose sum is σ = 3449507532480. Its totient is φ = 421606475840.

The previous prime is 1322311220221. The next prime is 1322311220281. The reversal of 1322311220232 is 2320221132231.

It is a super-2 number, since 2×1322311220232² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 1197745119 + ... + 1197746222.

It is an arithmetic number, because the mean of its divisors is an integer number (107797110390).

Almost surely, 2^{1322311220232} is an apocalyptic number.

1322311220232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1322311220232 is an abundant number, since it is smaller than the sum of its proper divisors (2127196312248).

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

1322311220232 is a wasteful number, since it uses less digits than its factorization.

1322311220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2395491373 (or 2395491369 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1322311220232 its reverse (2320221132231), we get a palindrome (3642532352463).

The spelling of 1322311220232 in words is "one trillion, three hundred twenty-two billion, three hundred eleven million, two hundred twenty thousand, two hundred thirty-two".