2122442042 has 16 divisors (see below), whose sum is σ = 3657526272. Its totient is φ = 904854480.

The previous prime is 2122442041. The next prime is 2122442051. The reversal of 2122442042 is 2402442212.

It is a junction number, because it is equal to n+sod(n) for n = 2122441999 and 2122442017.

It is not an unprimeable number, because it can be changed into a prime (2122442041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394193 + ... + 399540.

It is an arithmetic number, because the mean of its divisors is an integer number (228595392).

Almost surely, 2^2122442042 is an apocalyptic number.

2122442042 is a deficient number, since it is larger than the sum of its proper divisors (1535084230).

2122442042 is a wasteful number, since it uses less digits than its factorization.

2122442042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793933.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 2122442042 is about 46069.9689819735. The cubic root of 2122442042 is about 1285.1247270010.

Adding to 2122442042 its reverse (2402442212), we get a palindrome (4524884254).

The spelling of 2122442042 in words is "two billion, one hundred twenty-two million, four hundred forty-two thousand, forty-two".