622901 has 2 divisors, whose sum is σ = 622902. Its totient is φ = 622900.

The previous prime is 622889. The next prime is 622927. The reversal of 622901 is 109226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 483025 + 139876 = 695^2 + 374^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622901 is a prime.

It is a super-3 number, since 3×622901³ = 725067333012296103, which contains 333 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 (622301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311450 + 311451.

It is an arithmetic number, because the mean of its divisors is an integer number (311451).

2⁶²²⁹⁰¹ is an apocalyptic number.

It is an amenable number.

622901 is a deficient number, since it is larger than the sum of its proper divisors (1).

622901 is an equidigital number, since it uses as much as digits as its factorization.

622901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 622901 is about 789.2407744155. The cubic root of 622901 is about 85.4029769322.

The spelling of 622901 in words is "six hundred twenty-two thousand, nine hundred one".