111222433 has 8 divisors (see below), whose sum is σ = 127284480. Its totient is φ = 95203680.

The previous prime is 111222421. The next prime is 111222439. The reversal of 111222433 is 334222111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111222433 - 2²¹ = 109125281 is a prime.

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 111222433.

It is not an unprimeable number, because it can be changed into a prime (111222439) 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, 5113 + ... + 15766.

It is an arithmetic number, because the mean of its divisors is an integer number (15910560).

Almost surely, 2^111222433 is an apocalyptic number.

It is an amenable number.

111222433 is a deficient number, since it is larger than the sum of its proper divisors (16062047).

111222433 is an equidigital number, since it uses as much as digits as its factorization.

111222433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21647.

The product of its digits is 288, while the sum is 19.

The square root of 111222433 is about 10546.2046727721. The cubic root of 111222433 is about 480.9103571259.

Adding to 111222433 its reverse (334222111), we get a palindrome (445444544).

The spelling of 111222433 in words is "one hundred eleven million, two hundred twenty-two thousand, four hundred thirty-three".