111406224 has 40 divisors (see below), whose sum is σ = 289412032. Its totient is φ = 36927360.

The previous prime is 111406189. The next prime is 111406231. The reversal of 111406224 is 422604111.

It is a happy number.

It is a super-2 number, since 2×111406224² = 24822693491876352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111406224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277 + ... + 15099.

Almost surely, 2^111406224 is an apocalyptic number.

It is an amenable number.

111406224 is an abundant number, since it is smaller than the sum of its proper divisors (178005808).

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

111406224 is a wasteful number, since it uses less digits than its factorization.

111406224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13015 (or 13009 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 111406224 is about 10554.9146846386. The cubic root of 111406224 is about 481.1751069378.

The spelling of 111406224 in words is "one hundred eleven million, four hundred six thousand, two hundred twenty-four".