111222445 has 8 divisors (see below), whose sum is σ = 136306944. Its totient is φ = 87084624.

The previous prime is 111222439. The next prime is 111222473. The reversal of 111222445 is 544222111.

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 111222445 - 2⁵ = 111222413 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 236409 + ... + 236878.

It is an arithmetic number, because the mean of its divisors is an integer number (17038368).

Almost surely, 2^111222445 is an apocalyptic number.

It is an amenable number.

111222445 is a deficient number, since it is larger than the sum of its proper divisors (25084499).

111222445 is an equidigital number, since it uses as much as digits as its factorization.

111222445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473339.

The product of its digits is 640, while the sum is 22.

The square root of 111222445 is about 10546.2052416971. The cubic root of 111222445 is about 480.9103744213.

Adding to 111222445 its reverse (544222111), we get a palindrome (655444556).

The spelling of 111222445 in words is "one hundred eleven million, two hundred twenty-two thousand, four hundred forty-five".