2112442 has 8 divisors (see below), whose sum is σ = 3179232. Its totient is φ = 1052700.

The previous prime is 2112419. The next prime is 2112469. The reversal of 2112442 is 2442112.

2112442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×2112442² = 8924822406728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 934 + ... + 2257.

It is an arithmetic number, because the mean of its divisors is an integer number (397404).

2^2112442 is an apocalyptic number.

2112442 is a deficient number, since it is larger than the sum of its proper divisors (1066790).

2112442 is a wasteful number, since it uses less digits than its factorization.

2112442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524.

The product of its digits is 128, while the sum is 16.

The square root of 2112442 is about 1453.4242326313. The cubic root of 2112442 is about 128.3103228923.

Adding to 2112442 its reverse (2442112), we get a palindrome (4554554).

The spelling of 2112442 in words is "two million, one hundred twelve thousand, four hundred forty-two".