321132222007 has 4 divisors (see below), whose sum is σ = 323258925616. Its totient is φ = 319005518400.

The previous prime is 321132222001. The next prime is 321132222017. The reversal of 321132222007 is 700222231123.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 321132222007 - 2³⁵ = 286772483639 is a prime.

It is a super-2 number, since 2×321132222007² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321132222001) 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, 1063351578 + ... + 1063351879.

It is an arithmetic number, because the mean of its divisors is an integer number (80814731404).

Almost surely, 2^321132222007 is an apocalyptic number.

321132222007 is a deficient number, since it is larger than the sum of its proper divisors (2126703609).

321132222007 is a wasteful number, since it uses less digits than its factorization.

321132222007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2126703608.

The product of its (nonzero) digits is 2016, while the sum is 25.

The spelling of 321132222007 in words is "three hundred twenty-one billion, one hundred thirty-two million, two hundred twenty-two thousand, seven".