622732091 has 2 divisors, whose sum is σ = 622732092. Its totient is φ = 622732090.

The previous prime is 622732081. The next prime is 622732111. The reversal of 622732091 is 190237226.

It is a happy number.

622732091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622732091 - 2²⁶ = 555623227 is a prime.

It is a super-2 number, since 2×622732091² = 775590514322464562, which contains 22 as substring.

It is equal to p_32448254 and since 622732091 and 32448254 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (622732031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311366045 + 311366046.

It is an arithmetic number, because the mean of its divisors is an integer number (311366046).

Almost surely, 2^622732091 is an apocalyptic number.

622732091 is a deficient number, since it is larger than the sum of its proper divisors (1).

622732091 is an equidigital number, since it uses as much as digits as its factorization.

622732091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 622732091 is about 24954.6005978858. The cubic root of 622732091 is about 853.9525679934.

The spelling of 622732091 in words is "six hundred twenty-two million, seven hundred thirty-two thousand, ninety-one".