2143022434 has 32 divisors (see below), whose sum is σ = 3756243456. Its totient is φ = 897861120.

The previous prime is 2143022423. The next prime is 2143022461. The reversal of 2143022434 is 4342203412.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2143022399 and 2143022408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 894342 + ... + 896734.

It is an arithmetic number, because the mean of its divisors is an integer number (117382608).

Almost surely, 2^2143022434 is an apocalyptic number.

2143022434 is a deficient number, since it is larger than the sum of its proper divisors (1613221022).

2143022434 is a wasteful number, since it uses less digits than its factorization.

2143022434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3810.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 2143022434 is about 46292.7903025946. The cubic root of 2143022434 is about 1289.2651372126.

Adding to 2143022434 its reverse (4342203412), we get a palindrome (6485225846).

The spelling of 2143022434 in words is "two billion, one hundred forty-three million, twenty-two thousand, four hundred thirty-four".