2142122442 has 8 divisors (see below), whose sum is σ = 4284244896. Its totient is φ = 714040812.

The previous prime is 2142122419. The next prime is 2142122461. The reversal of 2142122442 is 2442212412.

It is a happy number.

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

2142122442 is an admirable number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 178510198 + ... + 178510209.

It is an arithmetic number, because the mean of its divisors is an integer number (535530612).

Almost surely, 2^2142122442 is an apocalyptic number.

2142122442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2142122442 is a wasteful number, since it uses less digits than its factorization.

2142122442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357020412.

The product of its digits is 2048, while the sum is 24.

The square root of 2142122442 is about 46283.0686320603. The cubic root of 2142122442 is about 1289.0846303483.

Adding to 2142122442 its reverse (2442212412), we get a palindrome (4584334854).

The spelling of 2142122442 in words is "two billion, one hundred forty-two million, one hundred twenty-two thousand, four hundred forty-two".