622255229 has 2 divisors, whose sum is σ = 622255230. Its totient is φ = 622255228.

The previous prime is 622255217. The next prime is 622255253. The reversal of 622255229 is 922552226.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 406224025 + 216031204 = 20155^2 + 14698^2 .

It is a cyclic number.

It is not a de Polignac number, because 622255229 - 2⁸ = 622254973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622255129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311127614 + 311127615.

It is an arithmetic number, because the mean of its divisors is an integer number (311127615).

Almost surely, 2^622255229 is an apocalyptic number.

It is an amenable number.

622255229 is a deficient number, since it is larger than the sum of its proper divisors (1).

622255229 is an equidigital number, since it uses as much as digits as its factorization.

622255229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 35.

The square root of 622255229 is about 24945.0441771507. The cubic root of 622255229 is about 853.7345386981.

The spelling of 622255229 in words is "six hundred twenty-two million, two hundred fifty-five thousand, two hundred twenty-nine".