2143022730 has 64 divisors (see below), whose sum is σ = 5482598400. Its totient is φ = 534530880.

The previous prime is 2143022719. The next prime is 2143022741. The reversal of 2143022730 is 372203412.

It is an interprime number because it is at equal distance from previous prime (2143022719) and next prime (2143022741).

It is a self number, because there is not a number n which added to its sum of digits gives 2143022730.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21235 + ... + 68825.

It is an arithmetic number, because the mean of its divisors is an integer number (85665600).

Almost surely, 2^2143022730 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2143022730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2741299200).

2143022730 is an abundant number, since it is smaller than the sum of its proper divisors (3339575670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143022730 is a wasteful number, since it uses less digits than its factorization.

2143022730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47699.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2143022730 is about 46292.7934996366. The cubic root of 2143022730 is about 1289.2651965715.

The spelling of 2143022730 in words is "two billion, one hundred forty-three million, twenty-two thousand, seven hundred thirty".