111222845 has 8 divisors (see below), whose sum is σ = 133774080. Its totient is φ = 88773840.

The previous prime is 111222841. The next prime is 111222877. The reversal of 111222845 is 548222111.

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

It is not a de Polignac number, because 111222845 - 2² = 111222841 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23141 + ... + 27530.

It is an arithmetic number, because the mean of its divisors is an integer number (16721760).

Almost surely, 2^111222845 is an apocalyptic number.

It is an amenable number.

111222845 is a deficient number, since it is larger than the sum of its proper divisors (22551235).

111222845 is an equidigital number, since it uses as much as digits as its factorization.

111222845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51115.

The product of its digits is 1280, while the sum is 26.

The square root of 111222845 is about 10546.2242058473. The cubic root of 111222845 is about 480.9109509354.

Adding to 111222845 its reverse (548222111), we get a palindrome (659444956).

The spelling of 111222845 in words is "one hundred eleven million, two hundred twenty-two thousand, eight hundred forty-five".