111822 has 8 divisors (see below), whose sum is σ = 223656. Its totient is φ = 37272.

The previous prime is 111821. The next prime is 111827. The reversal of 111822 is 228111.

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

111822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111821) 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, 9313 + ... + 9324.

It is an arithmetic number, because the mean of its divisors is an integer number (27957).

2¹¹¹⁸²² is an apocalyptic number.

111822 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.

111822 is a wasteful number, since it uses less digits than its factorization.

111822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18642.

The product of its digits is 32, while the sum is 15.

The square root of 111822 is about 334.3979665010. The cubic root of 111822 is about 48.1772957124.

Adding to 111822 its reverse (228111), we get a palindrome (339933).

The spelling of 111822 in words is "one hundred eleven thousand, eight hundred twenty-two".