222301312322321 has 2 divisors, whose sum is σ = 222301312322322. Its totient is φ = 222301312322320.

The previous prime is 222301312322263. The next prime is 222301312322329. The reversal of 222301312322321 is 123223213103222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159229696890625 + 63071615431696 = 12618625^2 + 7941764^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222301312322321 is a prime.

It is a super-2 number, since 2×222301312322321² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (222301312322329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111150656161160 + 111150656161161.

It is an arithmetic number, because the mean of its divisors is an integer number (111150656161161).

Almost surely, 2^{222301312322321} is an apocalyptic number.

It is an amenable number.

222301312322321 is a deficient number, since it is larger than the sum of its proper divisors (1).

222301312322321 is an equidigital number, since it uses as much as digits as its factorization.

222301312322321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 222301312322321 its reverse (123223213103222), we get a palindrome (345524525425543).

The spelling of 222301312322321 in words is "two hundred twenty-two trillion, three hundred one billion, three hundred twelve million, three hundred twenty-two thousand, three hundred twenty-one".