2331442189 has 2 divisors, whose sum is σ = 2331442190. Its totient is φ = 2331442188.

The previous prime is 2331442111. The next prime is 2331442199. The reversal of 2331442189 is 9812441332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1824742089 + 506700100 = 42717^2 + 22510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331442189 - 2¹¹ = 2331440141 is a prime.

It is a super-2 number, since 2×2331442189² = 10871245361298223442, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331442109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165721094 + 1165721095.

It is an arithmetic number, because the mean of its divisors is an integer number (1165721095).

Almost surely, 2^2331442189 is an apocalyptic number.

It is an amenable number.

2331442189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331442189 is an equidigital number, since it uses as much as digits as its factorization.

2331442189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 37.

The square root of 2331442189 is about 48285.0099823952. The cubic root of 2331442189 is about 1325.9939738046.

The spelling of 2331442189 in words is "two billion, three hundred thirty-one million, four hundred forty-two thousand, one hundred eighty-nine".