1222222000079 has 2 divisors, whose sum is σ = 1222222000080. Its totient is φ = 1222222000078.

The previous prime is 1222221999923. The next prime is 1222222000121. The reversal of 1222222000079 is 9700002222221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1222222000079 - 2¹² = 1222221995983 is a prime.

It is a super-2 number, since 2×1222222000079² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222222000679) 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, 611111000039 + 611111000040.

It is an arithmetic number, because the mean of its divisors is an integer number (611111000040).

Almost surely, 2^{1222222000079} is an apocalyptic number.

1222222000079 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222222000079 is an equidigital number, since it uses as much as digits as its factorization.

1222222000079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 29.

The spelling of 1222222000079 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, seventy-nine", and thus it is an aban number.