622326399 has 16 divisors (see below), whose sum is σ = 903561600. Its totient is φ = 379493856.

The previous prime is 622326391. The next prime is 622326427. The reversal of 622326399 is 993623226.

It is not a de Polignac number, because 622326399 - 2³ = 622326391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622326399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622326391) 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 15 ways as a sum of consecutive naturals, for example, 186589 + ... + 189894.

It is an arithmetic number, because the mean of its divisors is an integer number (56472600).

Almost surely, 2^622326399 is an apocalyptic number.

622326399 is a deficient number, since it is larger than the sum of its proper divisors (281235201).

622326399 is a wasteful number, since it uses less digits than its factorization.

622326399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376534.

The product of its digits is 209952, while the sum is 42.

The square root of 622326399 is about 24946.4706722214. The cubic root of 622326399 is about 853.7670858845.

The spelling of 622326399 in words is "six hundred twenty-two million, three hundred twenty-six thousand, three hundred ninety-nine".