622055569 has 2 divisors, whose sum is σ = 622055570. Its totient is φ = 622055568.

The previous prime is 622055549. The next prime is 622055593. The reversal of 622055569 is 965550226.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544615569 + 77440000 = 23337^2 + 8800^2 .

It is a cyclic number.

It is not a de Polignac number, because 622055569 - 2¹⁵ = 622022801 is a prime.

It is a super-2 number, since 2×622055569² = 773906261847827522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622055519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311027784 + 311027785.

It is an arithmetic number, because the mean of its divisors is an integer number (311027785).

Almost surely, 2^622055569 is an apocalyptic number.

It is an amenable number.

622055569 is a deficient number, since it is larger than the sum of its proper divisors (1).

622055569 is an equidigital number, since it uses as much as digits as its factorization.

622055569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 622055569 is about 24941.0418587516. The cubic root of 622055569 is about 853.6432177178.

The spelling of 622055569 in words is "six hundred twenty-two million, fifty-five thousand, five hundred sixty-nine".