622820089 has 4 divisors (see below), whose sum is σ = 623687040. Its totient is φ = 621953140.

The previous prime is 622820083. The next prime is 622820113. The reversal of 622820089 is 980028226.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 622820089 - 2⁷ = 622819961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622820083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432397 + ... + 433834.

It is an arithmetic number, because the mean of its divisors is an integer number (155921760).

Almost surely, 2^622820089 is an apocalyptic number.

It is an amenable number.

622820089 is a deficient number, since it is larger than the sum of its proper divisors (866951).

622820089 is an equidigital number, since it uses as much as digits as its factorization.

622820089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866950.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 622820089 is about 24956.3636974620. The cubic root of 622820089 is about 853.9927899872.

The spelling of 622820089 in words is "six hundred twenty-two million, eight hundred twenty thousand, eighty-nine".