622533869 has 2 divisors, whose sum is σ = 622533870. Its totient is φ = 622533868.

The previous prime is 622533851. The next prime is 622533881. The reversal of 622533869 is 968335226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 331422025 + 291111844 = 18205^2 + 17062^2 .

It is a cyclic number.

It is not a de Polignac number, because 622533869 - 2²⁸ = 354098413 is a prime.

It is a super-2 number, since 2×622533869² = 775096836104218322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622533809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311266934 + 311266935.

It is an arithmetic number, because the mean of its divisors is an integer number (311266935).

Almost surely, 2^622533869 is an apocalyptic number.

It is an amenable number.

622533869 is a deficient number, since it is larger than the sum of its proper divisors (1).

622533869 is an equidigital number, since it uses as much as digits as its factorization.

622533869 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 44.

The square root of 622533869 is about 24950.6286293552. The cubic root of 622533869 is about 853.8619510963.

The spelling of 622533869 in words is "six hundred twenty-two million, five hundred thirty-three thousand, eight hundred sixty-nine".