222330131031209 has 2 divisors, whose sum is σ = 222330131031210. Its totient is φ = 222330131031208.

The previous prime is 222330131031157. The next prime is 222330131031221. The reversal of 222330131031209 is 902130131033222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 192871072166809 + 29459058864400 = 13887803^2 + 5427620^2 .

It is a cyclic number.

It is not a de Polignac number, because 222330131031209 - 2¹² = 222330131027113 is a prime.

It is not a weakly prime, because it can be changed into another prime (222330131031809) 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, 111165065515604 + 111165065515605.

It is an arithmetic number, because the mean of its divisors is an integer number (111165065515605).

Almost surely, 2^{222330131031209} is an apocalyptic number.

It is an amenable number.

222330131031209 is a deficient number, since it is larger than the sum of its proper divisors (1).

222330131031209 is an equidigital number, since it uses as much as digits as its factorization.

222330131031209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 32.

The spelling of 222330131031209 in words is "two hundred twenty-two trillion, three hundred thirty billion, one hundred thirty-one million, thirty-one thousand, two hundred nine".