1322256112764 has 24 divisors (see below), whose sum is σ = 3115218288000. Its totient is φ = 436472891184.

The previous prime is 1322256112757. The next prime is 1322256112769. The reversal of 1322256112764 is 4672116522231.

It is a happy number.

It is a super-2 number, since 2×1322256112764² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322256112769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534892014 + ... + 534894485.

It is an arithmetic number, because the mean of its divisors is an integer number (129800762000).

Almost surely, 2^{1322256112764} is an apocalyptic number.

It is an amenable number.

1322256112764 is an abundant number, since it is smaller than the sum of its proper divisors (1792962175236).

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

1322256112764 is a wasteful number, since it uses less digits than its factorization.

1322256112764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1069786609 (or 1069786607 counting only the distinct ones).

The product of its digits is 241920, while the sum is 42.

The spelling of 1322256112764 in words is "one trillion, three hundred twenty-two billion, two hundred fifty-six million, one hundred twelve thousand, seven hundred sixty-four".