321420032223422 has 32 divisors (see below), whose sum is σ = 548829651262464. Its totient is φ = 139747389364000.

The previous prime is 321420032223403. The next prime is 321420032223449. The reversal of 321420032223422 is 224322230024123.

It is a super-2 number, since 2×321420032223422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 191869547 + ... + 193537497.

It is an arithmetic number, because the mean of its divisors is an integer number (17150926601952).

Almost surely, 2^{321420032223422} is an apocalyptic number.

321420032223422 is a deficient number, since it is larger than the sum of its proper divisors (227409619039042).

321420032223422 is a wasteful number, since it uses less digits than its factorization.

321420032223422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048824.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 321420032223422 its reverse (224322230024123), we get a palindrome (545742262247545).

The spelling of 321420032223422 in words is "three hundred twenty-one trillion, four hundred twenty billion, thirty-two million, two hundred twenty-three thousand, four hundred twenty-two".