111023222 has 4 divisors (see below), whose sum is σ = 166534836. Its totient is φ = 55511610.

The previous prime is 111023219. The next prime is 111023249. The reversal of 111023222 is 222320111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222320111 = 13 ⋅17101547.

It is a super-2 number, since 2×111023222² = 24652311646522568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111023197 and 111023206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27755804 + ... + 27755807.

It is an arithmetic number, because the mean of its divisors is an integer number (41633709).

Almost surely, 2^111023222 is an apocalyptic number.

111023222 is a deficient number, since it is larger than the sum of its proper divisors (55511614).

111023222 is an equidigital number, since it uses as much as digits as its factorization.

111023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55511613.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 111023222 is about 10536.7557625675. The cubic root of 111023222 is about 480.6230652998.

Adding to 111023222 its reverse (222320111), we get a palindrome (333343333).

The spelling of 111023222 in words is "one hundred eleven million, twenty-three thousand, two hundred twenty-two".