2142205342 has 8 divisors (see below), whose sum is σ = 3213517032. Its totient is φ = 1071033000.

The previous prime is 2142205337. The next prime is 2142205361. The reversal of 2142205342 is 2435022412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22417 + ... + 69187.

It is an arithmetic number, because the mean of its divisors is an integer number (401689629).

Almost surely, 2^2142205342 is an apocalyptic number.

2142205342 is a deficient number, since it is larger than the sum of its proper divisors (1071311690).

2142205342 is a wasteful number, since it uses less digits than its factorization.

2142205342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69674.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 2142205342 is about 46283.9641992775. The cubic root of 2142205342 is about 1289.1012592977.

Adding to 2142205342 its reverse (2435022412), we get a palindrome (4577227754).

The spelling of 2142205342 in words is "two billion, one hundred forty-two million, two hundred five thousand, three hundred forty-two".