222022121838877 has 2 divisors, whose sum is σ = 222022121838878. Its totient is φ = 222022121838876.

The previous prime is 222022121838859. The next prime is 222022121838887. The reversal of 222022121838877 is 778838121220222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112960463297796 + 109061658541081 = 10628286^2 + 10443259^2 .

It is a cyclic number.

It is not a de Polignac number, because 222022121838877 - 2¹¹ = 222022121836829 is a prime.

It is a super-2 number, since 2×222022121838877² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222022121838887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111011060919438 + 111011060919439.

It is an arithmetic number, because the mean of its divisors is an integer number (111011060919439).

Almost surely, 2^{222022121838877} is an apocalyptic number.

It is an amenable number.

222022121838877 is a deficient number, since it is larger than the sum of its proper divisors (1).

222022121838877 is an equidigital number, since it uses as much as digits as its factorization.

222022121838877 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 222022121838877 in words is "two hundred twenty-two trillion, twenty-two billion, one hundred twenty-one million, eight hundred thirty-eight thousand, eight hundred seventy-seven".