2291112942 has 16 divisors (see below), whose sum is σ = 4582721232. Its totient is φ = 763621760.

The previous prime is 2291112931. The next prime is 2291112959. The reversal of 2291112942 is 2492111922.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70342 + ... + 97622.

It is an arithmetic number, because the mean of its divisors is an integer number (286420077).

Almost surely, 2^2291112942 is an apocalyptic number.

2291112942 is an abundant number, since it is smaller than the sum of its proper divisors (2291608290).

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

2291112942 is a wasteful number, since it uses less digits than its factorization.

2291112942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41283.

The product of its digits is 5184, while the sum is 33.

The square root of 2291112942 is about 47865.5715728957. The cubic root of 2291112942 is about 1318.3037866174.

It can be divided in two parts, 22911 and 12942, that added together give a palindrome (35853).

The spelling of 2291112942 in words is "two billion, two hundred ninety-one million, one hundred twelve thousand, nine hundred forty-two".