222232313321 has 4 divisors (see below), whose sum is σ = 222236944212. Its totient is φ = 222227682432.

The previous prime is 222232313299. The next prime is 222232313353. The reversal of 222232313321 is 123313232222.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12867499225 + 209364814096 = 113435^2 + 457564^2 .

It is a cyclic number.

It is not a de Polignac number, because 222232313321 - 2⁶ = 222232313257 is a prime.

It is a super-2 number, since 2×222232313321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222232363321) 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, 2242700 + ... + 2339693.

It is an arithmetic number, because the mean of its divisors is an integer number (55559236053).

Almost surely, 2^222232313321 is an apocalyptic number.

It is an amenable number.

222232313321 is a deficient number, since it is larger than the sum of its proper divisors (4630891).

222232313321 is an equidigital number, since it uses as much as digits as its factorization.

222232313321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4630890.

The product of its digits is 5184, while the sum is 26.

Adding to 222232313321 its reverse (123313232222), we get a palindrome (345545545543).

The spelling of 222232313321 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred thirteen thousand, three hundred twenty-one".