326216224321 has 8 divisors (see below), whose sum is σ = 352124889984. Its totient is φ = 300424002960.

The previous prime is 326216224207. The next prime is 326216224331. The reversal of 326216224321 is 123422612623.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 326216224321 - 2²³ = 326207835713 is a prime.

It is a super-2 number, since 2×326216224321² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326216224331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29105251 + ... + 29116456.

It is an arithmetic number, because the mean of its divisors is an integer number (44015611248).

Almost surely, 2^326216224321 is an apocalyptic number.

It is an amenable number.

326216224321 is a deficient number, since it is larger than the sum of its proper divisors (25908665663).

326216224321 is a wasteful number, since it uses less digits than its factorization.

326216224321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58222151.

The product of its digits is 41472, while the sum is 34.

Adding to 326216224321 its reverse (123422612623), we get a palindrome (449638836944).

The spelling of 326216224321 in words is "three hundred twenty-six billion, two hundred sixteen million, two hundred twenty-four thousand, three hundred twenty-one".