222321122329 has 2 divisors, whose sum is σ = 222321122330. Its totient is φ = 222321122328.

The previous prime is 222321122279. The next prime is 222321122351. The reversal of 222321122329 is 923221123222.

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., 199315816704 + 23005305625 = 446448^2 + 151675^2 .

It is a cyclic number.

It is not a de Polignac number, because 222321122329 - 2²⁹ = 221784251417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222321122329.

It is not a weakly prime, because it can be changed into another prime (222321122729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111160561164 + 111160561165.

It is an arithmetic number, because the mean of its divisors is an integer number (111160561165).

Almost surely, 2^222321122329 is an apocalyptic number.

It is an amenable number.

222321122329 is a deficient number, since it is larger than the sum of its proper divisors (1).

222321122329 is an equidigital number, since it uses as much as digits as its factorization.

222321122329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 31.

The spelling of 222321122329 in words is "two hundred twenty-two billion, three hundred twenty-one million, one hundred twenty-two thousand, three hundred twenty-nine".