112222281 has 4 divisors (see below), whose sum is σ = 149629712. Its totient is φ = 74814852.

The previous prime is 112222273. The next prime is 112222283. The reversal of 112222281 is 182222211.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 112222281 - 2³ = 112222273 is a prime.

It is a super-2 number, since 2×112222281² = 25187680705685922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112222283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18703711 + ... + 18703716.

It is an arithmetic number, because the mean of its divisors is an integer number (37407428).

Almost surely, 2^112222281 is an apocalyptic number.

It is an amenable number.

112222281 is a deficient number, since it is larger than the sum of its proper divisors (37407431).

112222281 is an equidigital number, since it uses as much as digits as its factorization.

112222281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37407430.

The product of its digits is 256, while the sum is 21.

The square root of 112222281 is about 10593.5018289516. The cubic root of 112222281 is about 482.3471283179.

Adding to 112222281 its reverse (182222211), we get a palindrome (294444492).

The spelling of 112222281 in words is "one hundred twelve million, two hundred twenty-two thousand, two hundred eighty-one".