2143022239 has 2 divisors, whose sum is σ = 2143022240. Its totient is φ = 2143022238.

The previous prime is 2143022221. The next prime is 2143022243. The reversal of 2143022239 is 9322203412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2143022239 - 2⁷ = 2143022111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2143022209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071511119 + 1071511120.

It is an arithmetic number, because the mean of its divisors is an integer number (1071511120).

Almost surely, 2^2143022239 is an apocalyptic number.

2143022239 is a deficient number, since it is larger than the sum of its proper divisors (1).

2143022239 is an equidigital number, since it uses as much as digits as its factorization.

2143022239 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 2143022239 is about 46292.7881964351. The cubic root of 2143022239 is about 1289.2650981079.

The spelling of 2143022239 in words is "two billion, one hundred forty-three million, twenty-two thousand, two hundred thirty-nine".