322122121 has 4 divisors (see below), whose sum is σ = 322305172. Its totient is φ = 321939072.

The previous prime is 322122089. The next prime is 322122127. The reversal of 322122121 is 121221223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 121221223 = 59 ⋅2054597.

It can be written as a sum of positive squares in 2 ways, for example, as 104264521 + 217857600 = 10211^2 + 14760^2 .

It is a cyclic number.

It is not a de Polignac number, because 322122121 - 2⁵ = 322122089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 322122095 and 322122104.

It is not an unprimeable number, because it can be changed into a prime (322122127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88860 + ... + 92413.

It is an arithmetic number, because the mean of its divisors is an integer number (80576293).

Almost surely, 2^322122121 is an apocalyptic number.

It is an amenable number.

322122121 is a deficient number, since it is larger than the sum of its proper divisors (183051).

322122121 is a wasteful number, since it uses less digits than its factorization.

322122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183050.

The product of its digits is 96, while the sum is 16.

The square root of 322122121 is about 17947.7608909858. The cubic root of 322122121 is about 685.4990385562.

Adding to 322122121 its reverse (121221223), we get a palindrome (443343344).

The spelling of 322122121 in words is "three hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-one".