111404322 has 56 divisors (see below), whose sum is σ = 253204380. Its totient is φ = 36741600.

The previous prime is 111404309. The next prime is 111404347. The reversal of 111404322 is 223404111.

It can be written as a sum of positive squares in 2 ways, for example, as 101425041 + 9979281 = 10071^2 + 3159^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 111404295 and 111404304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 158572 + ... + 159272.

Almost surely, 2^111404322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111404322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126602190).

111404322 is an abundant number, since it is smaller than the sum of its proper divisors (141800058).

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

111404322 is an equidigital number, since it uses as much as digits as its factorization.

111404322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 815 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 111404322 is about 10554.8245840469. The cubic root of 111404322 is about 481.1723686101.

Adding to 111404322 its reverse (223404111), we get a palindrome (334808433).

The spelling of 111404322 in words is "one hundred eleven million, four hundred four thousand, three hundred twenty-two".