213422224277 has 2 divisors, whose sum is σ = 213422224278. Its totient is φ = 213422224276.

The previous prime is 213422224273. The next prime is 213422224319. The reversal of 213422224277 is 772422224312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131831443396 + 81590780881 = 363086^2 + 285641^2 .

It is a cyclic number.

It is not a de Polignac number, because 213422224277 - 2² = 213422224273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213422224277.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213422224273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106711112138 + 106711112139.

It is an arithmetic number, because the mean of its divisors is an integer number (106711112139).

Almost surely, 2^213422224277 is an apocalyptic number.

It is an amenable number.

213422224277 is a deficient number, since it is larger than the sum of its proper divisors (1).

213422224277 is an equidigital number, since it uses as much as digits as its factorization.

213422224277 is an evil number, because the sum of its binary digits is even.

The product of its digits is 150528, while the sum is 38.

Adding to 213422224277 its reverse (772422224312), we get a palindrome (985844448589).

The spelling of 213422224277 in words is "two hundred thirteen billion, four hundred twenty-two million, two hundred twenty-four thousand, two hundred seventy-seven".