622106669 has 2 divisors, whose sum is σ = 622106670. Its totient is φ = 622106668.

The previous prime is 622106651. The next prime is 622106699. The reversal of 622106669 is 966601226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595994569 + 26112100 = 24413^2 + 5110^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622106669 is a prime.

It is a super-2 number, since 2×622106669² = 774033415228551122, 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 (622106699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311053334 + 311053335.

It is an arithmetic number, because the mean of its divisors is an integer number (311053335).

Almost surely, 2^622106669 is an apocalyptic number.

It is an amenable number.

622106669 is a deficient number, since it is larger than the sum of its proper divisors (1).

622106669 is an equidigital number, since it uses as much as digits as its factorization.

622106669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 622106669 is about 24942.0662536206. The cubic root of 622106669 is about 853.6665918214. Note that the first 3 decimals are identical.

The spelling of 622106669 in words is "six hundred twenty-two million, one hundred six thousand, six hundred sixty-nine".