2142203244 has 12 divisors (see below), whose sum is σ = 4998474264. Its totient is φ = 714067744.

The previous prime is 2142203243. The next prime is 2142203251. The reversal of 2142203244 is 4423022412.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2142203243) 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, 89258457 + ... + 89258480.

It is an arithmetic number, because the mean of its divisors is an integer number (416539522).

Almost surely, 2^2142203244 is an apocalyptic number.

It is an amenable number.

2142203244 is an abundant number, since it is smaller than the sum of its proper divisors (2856271020).

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

2142203244 is a wasteful number, since it uses less digits than its factorization.

2142203244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178516944 (or 178516942 counting only the distinct ones).

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

The square root of 2142203244 is about 46283.9415348347. The cubic root of 2142203244 is about 1289.1008384642.

Adding to 2142203244 its reverse (4423022412), we get a palindrome (6565225656).

The spelling of 2142203244 in words is "two billion, one hundred forty-two million, two hundred three thousand, two hundred forty-four".