312220222219 has 2 divisors, whose sum is σ = 312220222220. Its totient is φ = 312220222218.

The previous prime is 312220222183. The next prime is 312220222253. The reversal of 312220222219 is 912222022213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312220222219 - 2⁷ = 312220222091 is a prime.

It is a super-2 number, since 2×312220222219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (312220222019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156110111109 + 156110111110.

It is an arithmetic number, because the mean of its divisors is an integer number (156110111110).

Almost surely, 2^312220222219 is an apocalyptic number.

312220222219 is a deficient number, since it is larger than the sum of its proper divisors (1).

312220222219 is an equidigital number, since it uses as much as digits as its factorization.

312220222219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 28.

The spelling of 312220222219 in words is "three hundred twelve billion, two hundred twenty million, two hundred twenty-two thousand, two hundred nineteen".