111228822 has 16 divisors (see below), whose sum is σ = 247175280. Its totient is φ = 37076256.

The previous prime is 111228809. The next prime is 111228823. The reversal of 111228822 is 228822111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111228823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1029843 + ... + 1029950.

It is an arithmetic number, because the mean of its divisors is an integer number (15448455).

Almost surely, 2^111228822 is an apocalyptic number.

111228822 is an abundant number, since it is smaller than the sum of its proper divisors (135946458).

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

111228822 is a wasteful number, since it uses less digits than its factorization.

111228822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059804 (or 2059798 counting only the distinct ones).

The product of its digits is 1024, while the sum is 27.

The square root of 111228822 is about 10546.5075735999. The cubic root of 111228822 is about 480.9195653325.

The spelling of 111228822 in words is "one hundred eleven million, two hundred twenty-eight thousand, eight hundred twenty-two".