322140332772 has 96 divisors (see below), whose sum is σ = 837262863360. Its totient is φ = 107112533760.

The previous prime is 322140332771. The next prime is 322140332851. The reversal of 322140332772 is 277233041223.

322140332772 is a `hidden beast` number, since 3 + 221 + 40 + 3 + 327 + 72 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (322140332771) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87703128 + ... + 87706800.

It is an arithmetic number, because the mean of its divisors is an integer number (8721488160).

Almost surely, 2^322140332772 is an apocalyptic number.

It is an amenable number.

322140332772 is an abundant number, since it is smaller than the sum of its proper divisors (515122530588).

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

322140332772 is a wasteful number, since it uses less digits than its factorization.

322140332772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5490 (or 5482 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 36.

Adding to 322140332772 its reverse (277233041223), we get a palindrome (599373373995).

The spelling of 322140332772 in words is "three hundred twenty-two billion, one hundred forty million, three hundred thirty-two thousand, seven hundred seventy-two".