222232321397 has 2 divisors, whose sum is σ = 222232321398. Its totient is φ = 222232321396.

The previous prime is 222232321393. The next prime is 222232321417. The reversal of 222232321397 is 793123232222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116086029796 + 106146291601 = 340714^2 + 325801^2 .

It is a cyclic number.

It is not a de Polignac number, because 222232321397 - 2² = 222232321393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222232321397.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222232321393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111116160698 + 111116160699.

It is an arithmetic number, because the mean of its divisors is an integer number (111116160699).

Almost surely, 2^222232321397 is an apocalyptic number.

It is an amenable number.

222232321397 is a deficient number, since it is larger than the sum of its proper divisors (1).

222232321397 is an equidigital number, since it uses as much as digits as its factorization.

222232321397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 38.

The spelling of 222232321397 in words is "two hundred twenty-two billion, two hundred thirty-two million, three hundred twenty-one thousand, three hundred ninety-seven".