622663201 has 2 divisors, whose sum is σ = 622663202. Its totient is φ = 622663200.

The previous prime is 622663183. The next prime is 622663207. The reversal of 622663201 is 102366226.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 475283601 + 147379600 = 21801^2 + 12140^2 .

It is a cyclic number.

It is not a de Polignac number, because 622663201 - 2⁷ = 622663073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622663201.

It is not a weakly prime, because it can be changed into another prime (622663207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311331600 + 311331601.

It is an arithmetic number, because the mean of its divisors is an integer number (311331601).

Almost surely, 2^622663201 is an apocalyptic number.

It is an amenable number.

622663201 is a deficient number, since it is larger than the sum of its proper divisors (1).

622663201 is an equidigital number, since it uses as much as digits as its factorization.

622663201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 622663201 is about 24953.2202531056. The cubic root of 622663201 is about 853.9210772113.

The spelling of 622663201 in words is "six hundred twenty-two million, six hundred sixty-three thousand, two hundred one".