111625228 has 48 divisors (see below), whose sum is σ = 241597440. Its totient is φ = 44366400.

The previous prime is 111625219. The next prime is 111625237. The reversal of 111625228 is 822526111.

It is an interprime number because it is at equal distance from previous prime (111625219) and next prime (111625237).

It is a junction number, because it is equal to n+sod(n) for n = 111625196 and 111625205.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5733 + ... + 16003.

It is an arithmetic number, because the mean of its divisors is an integer number (5033280).

Almost surely, 2^111625228 is an apocalyptic number.

It is an amenable number.

111625228 is an abundant number, since it is smaller than the sum of its proper divisors (129972212).

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

111625228 is a wasteful number, since it uses less digits than its factorization.

111625228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10318 (or 10316 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The square root of 111625228 is about 10565.2840946186. The cubic root of 111625228 is about 481.4902009323.

The spelling of 111625228 in words is "one hundred eleven million, six hundred twenty-five thousand, two hundred twenty-eight".