111225306 has 8 divisors (see below), whose sum is σ = 222450624. Its totient is φ = 37075100.

The previous prime is 111225299. The next prime is 111225319. The reversal of 111225306 is 603522111.

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

111225306 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 9268770 + ... + 9268781.

It is an arithmetic number, because the mean of its divisors is an integer number (27806328).

Almost surely, 2^111225306 is an apocalyptic number.

111225306 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.

111225306 is a wasteful number, since it uses less digits than its factorization.

111225306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18537556.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 111225306 is about 10546.3408820311. The cubic root of 111225306 is about 480.9144979079.

Adding to 111225306 its reverse (603522111), we get a palindrome (714747417).

The spelling of 111225306 in words is "one hundred eleven million, two hundred twenty-five thousand, three hundred six".