2143045022 has 4 divisors (see below), whose sum is σ = 3214567536. Its totient is φ = 1071522510.

The previous prime is 2143045019. The next prime is 2143045027. The reversal of 2143045022 is 2205403412.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143045027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 535761254 + ... + 535761257.

It is an arithmetic number, because the mean of its divisors is an integer number (803641884).

Almost surely, 2^2143045022 is an apocalyptic number.

2143045022 is a deficient number, since it is larger than the sum of its proper divisors (1071522514).

2143045022 is a wasteful number, since it uses less digits than its factorization.

2143045022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071522513.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 2143045022 is about 46293.0342708274. The cubic root of 2143045022 is about 1289.2696669239.

Adding to 2143045022 its reverse (2205403412), we get a palindrome (4348448434).

The spelling of 2143045022 in words is "two billion, one hundred forty-three million, forty-five thousand, twenty-two".