22020021022277 has 2 divisors, whose sum is σ = 22020021022278. Its totient is φ = 22020021022276.

The previous prime is 22020021022177. The next prime is 22020021022297. The reversal of 22020021022277 is 77222012002022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21875133451396 + 144887570881 = 4677086^2 + 380641^2 .

It is a cyclic number.

It is not a de Polignac number, because 22020021022277 - 2⁴⁴ = 4427834977861 is a prime.

It is a super-2 number, since 2×22020021022277² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22020021022297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11010010511138 + 11010010511139.

It is an arithmetic number, because the mean of its divisors is an integer number (11010010511139).

Almost surely, 2^{22020021022277} is an apocalyptic number.

It is an amenable number.

22020021022277 is a deficient number, since it is larger than the sum of its proper divisors (1).

22020021022277 is an equidigital number, since it uses as much as digits as its factorization.

22020021022277 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6272, while the sum is 29.

Adding to 22020021022277 its reverse (77222012002022), we get a palindrome (99242033024299).

The spelling of 22020021022277 in words is "twenty-two trillion, twenty billion, twenty-one million, twenty-two thousand, two hundred seventy-seven".