2142444232 has 8 divisors (see below), whose sum is σ = 4017082950. Its totient is φ = 1071222112.

The previous prime is 2142444229. The next prime is 2142444233. The reversal of 2142444232 is 2324442412.

It can be written as a sum of positive squares in only one way, i.e., 2109197476 + 33246756 = 45926^2 + 5766^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 2142444232.

It is not an unprimeable number, because it can be changed into a prime (2142444233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133902757 + ... + 133902772.

Almost surely, 2^2142444232 is an apocalyptic number.

It is an amenable number.

2142444232 is a deficient number, since it is larger than the sum of its proper divisors (1874638718).

2142444232 is a wasteful number, since it uses less digits than its factorization.

2142444232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267805535 (or 267805531 counting only the distinct ones).

The product of its digits is 12288, while the sum is 28.

The square root of 2142444232 is about 46286.5448267636. The cubic root of 2142444232 is about 1289.1491759543.

Adding to 2142444232 its reverse (2324442412), we get a palindrome (4466886644).

It can be divided in two parts, 21424 and 44232, that added together give a palindrome (65656).

The spelling of 2142444232 in words is "two billion, one hundred forty-two million, four hundred forty-four thousand, two hundred thirty-two".