2142442203 has 16 divisors (see below), whose sum is σ = 3251771136. Its totient is φ = 1241995040.

The previous prime is 2142442189. The next prime is 2142442213. The reversal of 2142442203 is 3022442412.

It is not a de Polignac number, because 2142442203 - 2²² = 2138247899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2142442213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1410600 + ... + 1412117.

It is an arithmetic number, because the mean of its divisors is an integer number (203235696).

Almost surely, 2^2142442203 is an apocalyptic number.

2142442203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142442203 is a deficient number, since it is larger than the sum of its proper divisors (1109328933).

2142442203 is a wasteful number, since it uses less digits than its factorization.

2142442203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2822754.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2142442203 is about 46286.5229089419. The cubic root of 2142442203 is about 1289.1487689917.

Adding to 2142442203 its reverse (3022442412), we get a palindrome (5164884615).

The spelling of 2142442203 in words is "two billion, one hundred forty-two million, four hundred forty-two thousand, two hundred three".