1220310220169 has 2 divisors, whose sum is σ = 1220310220170. Its totient is φ = 1220310220168.

The previous prime is 1220310220153. The next prime is 1220310220237. The reversal of 1220310220169 is 9610220130221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1125695536144 + 94614684025 = 1060988^2 + 307595^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220310220169 - 2⁴ = 1220310220153 is a prime.

It is a super-2 number, since 2×1220310220169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1220310228169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610155110084 + 610155110085.

It is an arithmetic number, because the mean of its divisors is an integer number (610155110085).

Almost surely, 2^{1220310220169} is an apocalyptic number.

It is an amenable number.

1220310220169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220310220169 is an equidigital number, since it uses as much as digits as its factorization.

1220310220169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The spelling of 1220310220169 in words is "one trillion, two hundred twenty billion, three hundred ten million, two hundred twenty thousand, one hundred sixty-nine".