322890055 has 4 divisors (see below), whose sum is σ = 387468072. Its totient is φ = 258312040.

The previous prime is 322889999. The next prime is 322890091. The reversal of 322890055 is 550098223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550098223 = 17 ⋅32358719.

It is not a de Polignac number, because 322890055 - 2⁷ = 322889927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 322890055.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 32289001 + ... + 32289010.

It is an arithmetic number, because the mean of its divisors is an integer number (96867018).

Almost surely, 2^322890055 is an apocalyptic number.

322890055 is a deficient number, since it is larger than the sum of its proper divisors (64578017).

322890055 is an equidigital number, since it uses as much as digits as its factorization.

322890055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64578016.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 322890055 is about 17969.1417435558. The cubic root of 322890055 is about 686.0433458375.

The spelling of 322890055 in words is "three hundred twenty-two million, eight hundred ninety thousand, fifty-five".