622606001 has 2 divisors, whose sum is σ = 622606002. Its totient is φ = 622606000.

The previous prime is 622605983. The next prime is 622606007. The reversal of 622606001 is 100606226.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 330366976 + 292239025 = 18176^2 + 17095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622606001 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (622606007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311303000 + 311303001.

It is an arithmetic number, because the mean of its divisors is an integer number (311303001).

Almost surely, 2^622606001 is an apocalyptic number.

It is an amenable number.

622606001 is a deficient number, since it is larger than the sum of its proper divisors (1).

622606001 is an equidigital number, since it uses as much as digits as its factorization.

622606001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 622606001 is about 24952.0740821279. The cubic root of 622606001 is about 853.8949283605.

The spelling of 622606001 in words is "six hundred twenty-two million, six hundred six thousand, one".