2220161035597 has 2 divisors, whose sum is σ = 2220161035598. Its totient is φ = 2220161035596.

The previous prime is 2220161035591. The next prime is 2220161035619. The reversal of 2220161035597 is 7955301610222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1730516571081 + 489644464516 = 1315491^2 + 699746^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2220161035597 is a prime.

It is a super-2 number, since 2×2220161035597² (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 (2220161035591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110080517798 + 1110080517799.

It is an arithmetic number, because the mean of its divisors is an integer number (1110080517799).

Almost surely, 2^{2220161035597} is an apocalyptic number.

It is an amenable number.

2220161035597 is a deficient number, since it is larger than the sum of its proper divisors (1).

2220161035597 is an equidigital number, since it uses as much as digits as its factorization.

2220161035597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 2220161035597 in words is "two trillion, two hundred twenty billion, one hundred sixty-one million, thirty-five thousand, five hundred ninety-seven".