22312032317 has 2 divisors, whose sum is σ = 22312032318. Its totient is φ = 22312032316.

The previous prime is 22312032289. The next prime is 22312032341. The reversal of 22312032317 is 71323021322.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21462543001 + 849489316 = 146501^2 + 29146^2 .

It is a cyclic number.

It is not a de Polignac number, because 22312032317 - 2²² = 22307838013 is a prime.

It is a super-3 number, since 3×22312032317³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22312032217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11156016158 + 11156016159.

It is an arithmetic number, because the mean of its divisors is an integer number (11156016159).

Almost surely, 2^22312032317 is an apocalyptic number.

It is an amenable number.

22312032317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22312032317 is an equidigital number, since it uses as much as digits as its factorization.

22312032317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 26.

Adding to 22312032317 its reverse (71323021322), we get a palindrome (93635053639).

The spelling of 22312032317 in words is "twenty-two billion, three hundred twelve million, thirty-two thousand, three hundred seventeen".