321422132 has 6 divisors (see below), whose sum is σ = 562488738. Its totient is φ = 160711064.

The previous prime is 321422117. The next prime is 321422137. The reversal of 321422132 is 231224123.

It can be written as a sum of positive squares in only one way, i.e., 321341476 + 80656 = 17926^2 + 284^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321422137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40177763 + ... + 40177770.

It is an arithmetic number, because the mean of its divisors is an integer number (93748123).

Almost surely, 2^321422132 is an apocalyptic number.

It is an amenable number.

321422132 is a deficient number, since it is larger than the sum of its proper divisors (241066606).

321422132 is a wasteful number, since it uses less digits than its factorization.

321422132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80355537 (or 80355535 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 321422132 is about 17928.2495520338. The cubic root of 321422132 is about 685.0021361398.

Adding to 321422132 its reverse (231224123), we get a palindrome (552646255).

The spelling of 321422132 in words is "three hundred twenty-one million, four hundred twenty-two thousand, one hundred thirty-two".