622263331 has 2 divisors, whose sum is σ = 622263332. Its totient is φ = 622263330.

The previous prime is 622263307. The next prime is 622263337. The reversal of 622263331 is 133362226.

622263331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622263331 - 2²¹ = 620166179 is a prime.

It is a super-2 number, since 2×622263331² = 774423306214431122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622263331.

It is not a weakly prime, because it can be changed into another prime (622263337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311131665 + 311131666.

It is an arithmetic number, because the mean of its divisors is an integer number (311131666).

Almost surely, 2^622263331 is an apocalyptic number.

622263331 is a deficient number, since it is larger than the sum of its proper divisors (1).

622263331 is an equidigital number, since it uses as much as digits as its factorization.

622263331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 28.

The square root of 622263331 is about 24945.2065736085. The cubic root of 622263331 is about 853.7382439982.

The spelling of 622263331 in words is "six hundred twenty-two million, two hundred sixty-three thousand, three hundred thirty-one".