622622797 has 2 divisors, whose sum is σ = 622622798. Its totient is φ = 622622796.

The previous prime is 622622783. The next prime is 622622821. The reversal of 622622797 is 797226226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319479876 + 303142921 = 17874^2 + 17411^2 .

It is a cyclic number.

It is not a de Polignac number, because 622622797 - 2¹⁵ = 622590029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622625797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311311398 + 311311399.

It is an arithmetic number, because the mean of its divisors is an integer number (311311399).

Almost surely, 2^622622797 is an apocalyptic number.

It is an amenable number.

622622797 is a deficient number, since it is larger than the sum of its proper divisors (1).

622622797 is an equidigital number, since it uses as much as digits as its factorization.

622622797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 43.

The square root of 622622797 is about 24952.4106450659. The cubic root of 622622797 is about 853.9026067801.

The spelling of 622622797 in words is "six hundred twenty-two million, six hundred twenty-two thousand, seven hundred ninety-seven".