111225022 has 4 divisors (see below), whose sum is σ = 166837536. Its totient is φ = 55612510.

The previous prime is 111225019. The next prime is 111225083. The reversal of 111225022 is 220522111.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 111224987 and 111225005.

It is a congruent 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 as a sum of consecutive naturals, namely, 27806254 + ... + 27806257.

It is an arithmetic number, because the mean of its divisors is an integer number (41709384).

Almost surely, 2^111225022 is an apocalyptic number.

111225022 is a deficient number, since it is larger than the sum of its proper divisors (55612514).

111225022 is an equidigital number, since it uses as much as digits as its factorization.

111225022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55612513.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 111225022 is about 10546.3274176369. The cubic root of 111225022 is about 480.9140885891.

Adding to 111225022 its reverse (220522111), we get a palindrome (331747133).

The spelling of 111225022 in words is "one hundred eleven million, two hundred twenty-five thousand, twenty-two".