3122122231 has 4 divisors (see below), whose sum is σ = 3124938600. Its totient is φ = 3119305864.

The previous prime is 3122122163. The next prime is 3122122249. The reversal of 3122122231 is 1322212213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3122122231 - 2¹⁵ = 3122089463 is a prime.

It is a super-2 number, since 2×3122122231² = 19495294450608834722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3122122199 and 3122122208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122122261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1406521 + ... + 1408738.

It is an arithmetic number, because the mean of its divisors is an integer number (781234650).

Almost surely, 2^3122122231 is an apocalyptic number.

3122122231 is a deficient number, since it is larger than the sum of its proper divisors (2816369).

3122122231 is a wasteful number, since it uses less digits than its factorization.

3122122231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816368.

The product of its digits is 288, while the sum is 19.

The square root of 3122122231 is about 55875.9539605365. The cubic root of 3122122231 is about 1461.5599500717.

Adding to 3122122231 its reverse (1322212213), we get a palindrome (4444334444).

The spelling of 3122122231 in words is "three billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred thirty-one".