2142299944 has 16 divisors (see below), whose sum is σ = 4018305600. Its totient is φ = 1070751792.

The previous prime is 2142299941. The next prime is 2142299983. The reversal of 2142299944 is 4499922412.

It is a junction number, because it is equal to n+sod(n) for n = 2142299894 and 2142299903.

It is not an unprimeable number, because it can be changed into a prime (2142299941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26254 + ... + 70525.

It is an arithmetic number, because the mean of its divisors is an integer number (251144100).

Almost surely, 2^2142299944 is an apocalyptic number.

It is an amenable number.

2142299944 is a deficient number, since it is larger than the sum of its proper divisors (1876005656).

2142299944 is a wasteful number, since it uses less digits than its factorization.

2142299944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99552 (or 99548 counting only the distinct ones).

The product of its digits is 373248, while the sum is 46.

The square root of 2142299944 is about 46284.9861618214. The cubic root of 2142299944 is about 1289.1202350327.

The spelling of 2142299944 in words is "two billion, one hundred forty-two million, two hundred ninety-nine thousand, nine hundred forty-four".