222331220329 has 2 divisors, whose sum is σ = 222331220330. Its totient is φ = 222331220328.

The previous prime is 222331220317. The next prime is 222331220333. The reversal of 222331220329 is 923022133222.

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., 150063264400 + 72267955929 = 387380^2 + 268827^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222331220329 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 222331220329.

It is not a weakly prime, because it can be changed into another prime (222331220339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111165610164 + 111165610165.

It is an arithmetic number, because the mean of its divisors is an integer number (111165610165).

Almost surely, 2^222331220329 is an apocalyptic number.

It is an amenable number.

222331220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

222331220329 is an equidigital number, since it uses as much as digits as its factorization.

222331220329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 222331220329 in words is "two hundred twenty-two billion, three hundred thirty-one million, two hundred twenty thousand, three hundred twenty-nine".