2122443231 has 8 divisors (see below), whose sum is σ = 2834543280. Its totient is φ = 1412652672.

The previous prime is 2122443229. The next prime is 2122443233. The reversal of 2122443231 is 1323442212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2122443229) and next prime (2122443233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122443231 - 2¹ = 2122443229 is a prime.

It is a super-2 number, since 2×2122443231² = 9009530537635438722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122443233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 575226 + ... + 578903.

It is an arithmetic number, because the mean of its divisors is an integer number (354317910).

Almost surely, 2^2122443231 is an apocalyptic number.

2122443231 is a deficient number, since it is larger than the sum of its proper divisors (712100049).

2122443231 is a wasteful number, since it uses less digits than its factorization.

2122443231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1154745.

The product of its digits is 2304, while the sum is 24.

The square root of 2122443231 is about 46069.9818862565. The cubic root of 2122443231 is about 1285.1249669782.

Adding to 2122443231 its reverse (1323442212), we get a palindrome (3445885443).

The spelling of 2122443231 in words is "two billion, one hundred twenty-two million, four hundred forty-three thousand, two hundred thirty-one".