111323222 has 4 divisors (see below), whose sum is σ = 166984836. Its totient is φ = 55661610.

The previous prime is 111323221. The next prime is 111323227. The reversal of 111323222 is 222323111.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×111323222² = 24785719512922568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111323222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111323221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27830804 + ... + 27830807.

It is an arithmetic number, because the mean of its divisors is an integer number (41746209).

Almost surely, 2^111323222 is an apocalyptic number.

111323222 is a deficient number, since it is larger than the sum of its proper divisors (55661614).

111323222 is an equidigital number, since it uses as much as digits as its factorization.

111323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55661613.

The product of its digits is 144, while the sum is 17.

The square root of 111323222 is about 10550.9820396018. The cubic root of 111323222 is about 481.0555791488.

Adding to 111323222 its reverse (222323111), we get a palindrome (333646333).

The spelling of 111323222 in words is "one hundred eleven million, three hundred twenty-three thousand, two hundred twenty-two".