111472226 has 4 divisors (see below), whose sum is σ = 167208342. Its totient is φ = 55736112.

The previous prime is 111472219. The next prime is 111472243. The reversal of 111472226 is 622274111.

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

It can be written as a sum of positive squares in only one way, i.e., 110229001 + 1243225 = 10499^2 + 1115^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111472195 and 111472204.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27868055 + ... + 27868058.

Almost surely, 2^111472226 is an apocalyptic number.

111472226 is a deficient number, since it is larger than the sum of its proper divisors (55736116).

111472226 is an equidigital number, since it uses as much as digits as its factorization.

111472226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55736115.

The product of its digits is 1344, while the sum is 26.

The square root of 111472226 is about 10558.0408220465. The cubic root of 111472226 is about 481.2701113538.

The spelling of 111472226 in words is "one hundred eleven million, four hundred seventy-two thousand, two hundred twenty-six".