222522031309 has 2 divisors, whose sum is σ = 222522031310. Its totient is φ = 222522031308.

The previous prime is 222522031289. The next prime is 222522031351. The reversal of 222522031309 is 903130225222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 129632402025 + 92889629284 = 360045^2 + 304778^2 .

It is a cyclic number.

It is not a de Polignac number, because 222522031309 - 2³³ = 213932096717 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222522031009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111261015654 + 111261015655.

It is an arithmetic number, because the mean of its divisors is an integer number (111261015655).

Almost surely, 2^222522031309 is an apocalyptic number.

It is an amenable number.

222522031309 is a deficient number, since it is larger than the sum of its proper divisors (1).

222522031309 is an equidigital number, since it uses as much as digits as its factorization.

222522031309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 222522031309 in words is "two hundred twenty-two billion, five hundred twenty-two million, thirty-one thousand, three hundred nine".