622164131 has 2 divisors, whose sum is σ = 622164132. Its totient is φ = 622164130.

The previous prime is 622164091. The next prime is 622164149. The reversal of 622164131 is 131461226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622164131 - 2¹⁰ = 622163107 is a prime.

It is a super-2 number, since 2×622164131² = 774176411805970322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 622164131.

It is not a weakly prime, because it can be changed into another prime (622164031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311082065 + 311082066.

It is an arithmetic number, because the mean of its divisors is an integer number (311082066).

Almost surely, 2^622164131 is an apocalyptic number.

622164131 is a deficient number, since it is larger than the sum of its proper divisors (1).

622164131 is an equidigital number, since it uses as much as digits as its factorization.

622164131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 26.

The square root of 622164131 is about 24943.2181363993. The cubic root of 622164131 is about 853.6928744950.

The spelling of 622164131 in words is "six hundred twenty-two million, one hundred sixty-four thousand, one hundred thirty-one".