22202195816677 has 2 divisors, whose sum is σ = 22202195816678. Its totient is φ = 22202195816676.

The previous prime is 22202195816621. The next prime is 22202195816681. The reversal of 22202195816677 is 77661859120222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11527070683716 + 10675125132961 = 3395154^2 + 3267281^2 .

It is a cyclic number.

It is not a de Polignac number, because 22202195816677 - 2¹⁵ = 22202195783909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22202195816477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11101097908338 + 11101097908339.

It is an arithmetic number, because the mean of its divisors is an integer number (11101097908339).

Almost surely, 2^{22202195816677} is an apocalyptic number.

It is an amenable number.

22202195816677 is a deficient number, since it is larger than the sum of its proper divisors (1).

22202195816677 is an equidigital number, since it uses as much as digits as its factorization.

22202195816677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 58.

The spelling of 22202195816677 in words is "twenty-two trillion, two hundred two billion, one hundred ninety-five million, eight hundred sixteen thousand, six hundred seventy-seven".