1220222202079 has 2 divisors, whose sum is σ = 1220222202080. Its totient is φ = 1220222202078.

The previous prime is 1220222202029. The next prime is 1220222202119. The reversal of 1220222202079 is 9702022220221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220222202079 - 2⁷ = 1220222201951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1220222202079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220222202019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610111101039 + 610111101040.

It is an arithmetic number, because the mean of its divisors is an integer number (610111101040).

Almost surely, 2^{1220222202079} is an apocalyptic number.

1220222202079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220222202079 is an equidigital number, since it uses as much as digits as its factorization.

1220222202079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The spelling of 1220222202079 in words is "one trillion, two hundred twenty billion, two hundred twenty-two million, two hundred two thousand, seventy-nine".