111542226 has 32 divisors (see below), whose sum is σ = 233850240. Its totient is φ = 35401344.

The previous prime is 111542213. The next prime is 111542251. The reversal of 111542226 is 622245111.

It is a junction number, because it is equal to n+sod(n) for n = 111542196 and 111542205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30420 + ... + 33888.

It is an arithmetic number, because the mean of its divisors is an integer number (7307820).

Almost surely, 2^111542226 is an apocalyptic number.

111542226 is an abundant number, since it is smaller than the sum of its proper divisors (122308014).

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

111542226 is a wasteful number, since it uses less digits than its factorization.

111542226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3730.

The product of its digits is 960, while the sum is 24.

The square root of 111542226 is about 10561.3553107544. The cubic root of 111542226 is about 481.3708295916.

Adding to 111542226 its reverse (622245111), we get a palindrome (733787337).

The spelling of 111542226 in words is "one hundred eleven million, five hundred forty-two thousand, two hundred twenty-six".