111472227 has 8 divisors (see below), whose sum is σ = 165144080. Its totient is φ = 74314800.

The previous prime is 111472219. The next prime is 111472243. The reversal of 111472227 is 722274111.

It is a happy number.

It is not a de Polignac number, because 111472227 - 2³ = 111472219 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 4128601 = 111472227 / (1 + 1 + 1 + 4 + 7 + 2 + 2 + 2 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111472227.

It is not an unprimeable number, because it can be changed into a prime (111472217) 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, 2064274 + ... + 2064327.

It is an arithmetic number, because the mean of its divisors is an integer number (20643010).

Almost surely, 2^111472227 is an apocalyptic number.

111472227 is a deficient number, since it is larger than the sum of its proper divisors (53671853).

111472227 is an equidigital number, since it uses as much as digits as its factorization.

111472227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4128610 (or 4128604 counting only the distinct ones).

The product of its digits is 1568, while the sum is 27.

The square root of 111472227 is about 10558.0408694038. The cubic root of 111472227 is about 481.2701127930.

The spelling of 111472227 in words is "one hundred eleven million, four hundred seventy-two thousand, two hundred twenty-seven".