111226230 has 64 divisors (see below), whose sum is σ = 297561600. Its totient is φ = 29564640.

The previous prime is 111226211. The next prime is 111226289. The reversal of 111226230 is 32622111.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132151 + ... + 132989.

It is an arithmetic number, because the mean of its divisors is an integer number (4649400).

Almost surely, 2^111226230 is an apocalyptic number.

111226230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111226230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148780800).

111226230 is an abundant number, since it is smaller than the sum of its proper divisors (186335370).

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

111226230 is a wasteful number, since it uses less digits than its factorization.

111226230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1340 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 111226230 is about 10546.3846886030. The cubic root of 111226230 is about 480.9158296305.

Adding to 111226230 its reverse (32622111), we get a palindrome (143848341).

The spelling of 111226230 in words is "one hundred eleven million, two hundred twenty-six thousand, two hundred thirty".