2212022220277 has 2 divisors, whose sum is σ = 2212022220278. Its totient is φ = 2212022220276.

The previous prime is 2212022220169. The next prime is 2212022220313. The reversal of 2212022220277 is 7720222202122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2070795828676 + 141226391601 = 1439026^2 + 375801^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212022220277 - 2¹⁵ = 2212022187509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212022220677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106011110138 + 1106011110139.

It is an arithmetic number, because the mean of its divisors is an integer number (1106011110139).

Almost surely, 2^{2212022220277} is an apocalyptic number.

It is an amenable number.

2212022220277 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212022220277 is an equidigital number, since it uses as much as digits as its factorization.

2212022220277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12544, while the sum is 31.

Adding to 2212022220277 its reverse (7720222202122), we get a palindrome (9932244422399).

The spelling of 2212022220277 in words is "two trillion, two hundred twelve billion, twenty-two million, two hundred twenty thousand, two hundred seventy-seven".