622213769 has 2 divisors, whose sum is σ = 622213770. Its totient is φ = 622213768.

The previous prime is 622213727. The next prime is 622213783. The reversal of 622213769 is 967312226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 397603600 + 224610169 = 19940^2 + 14987^2 .

It is a cyclic number.

It is not a de Polignac number, because 622213769 - 2²⁴ = 605436553 is a prime.

It is a super-2 number, since 2×622213769² = 774299948666370722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622213169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311106884 + 311106885.

It is an arithmetic number, because the mean of its divisors is an integer number (311106885).

Almost surely, 2^622213769 is an apocalyptic number.

It is an amenable number.

622213769 is a deficient number, since it is larger than the sum of its proper divisors (1).

622213769 is an equidigital number, since it uses as much as digits as its factorization.

622213769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 622213769 is about 24944.2131365173. The cubic root of 622213769 is about 853.7155772288.

It can be divided in two parts, 6222 and 13769, that added together give a palindrome (19991).

The spelling of 622213769 in words is "six hundred twenty-two million, two hundred thirteen thousand, seven hundred sixty-nine".