2142332344 has 8 divisors (see below), whose sum is σ = 4016873160. Its totient is φ = 1071166168.

The previous prime is 2142332321. The next prime is 2142332347. The reversal of 2142332344 is 4432332412.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142332347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133895764 + ... + 133895779.

It is an arithmetic number, because the mean of its divisors is an integer number (502109145).

Almost surely, 2^2142332344 is an apocalyptic number.

It is an amenable number.

2142332344 is a deficient number, since it is larger than the sum of its proper divisors (1874540816).

2142332344 is a wasteful number, since it uses less digits than its factorization.

2142332344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267791549 (or 267791545 counting only the distinct ones).

The product of its digits is 13824, while the sum is 28.

The square root of 2142332344 is about 46285.3361660040. The cubic root of 2142332344 is about 1289.1267338558.

Adding to 2142332344 its reverse (4432332412), we get a palindrome (6574664756).

The spelling of 2142332344 in words is "two billion, one hundred forty-two million, three hundred thirty-two thousand, three hundred forty-four".