622628701 has 2 divisors, whose sum is σ = 622628702. Its totient is φ = 622628700.

The previous prime is 622628681. The next prime is 622628729. The reversal of 622628701 is 107826226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 436851801 + 185776900 = 20901^2 + 13630^2 .

It is a cyclic number.

It is not a de Polignac number, because 622628701 - 2⁹ = 622628189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622628761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311314350 + 311314351.

It is an arithmetic number, because the mean of its divisors is an integer number (311314351).

Almost surely, 2^622628701 is an apocalyptic number.

It is an amenable number.

622628701 is a deficient number, since it is larger than the sum of its proper divisors (1).

622628701 is an equidigital number, since it uses as much as digits as its factorization.

622628701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 622628701 is about 24952.5289499882. The cubic root of 622628701 is about 853.9053058059.

The spelling of 622628701 in words is "six hundred twenty-two million, six hundred twenty-eight thousand, seven hundred one".