111242222 has 24 divisors (see below), whose sum is σ = 206503056. Its totient is φ = 44006976.

The previous prime is 111242213. The next prime is 111242233. The reversal of 111242222 is 222242111.

It is a self number, because there is not a number n which added to its sum of digits gives 111242222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21143 + ... + 25874.

It is an arithmetic number, because the mean of its divisors is an integer number (8604294).

Almost surely, 2^111242222 is an apocalyptic number.

111242222 is a deficient number, since it is larger than the sum of its proper divisors (95260834).

111242222 is a wasteful number, since it uses less digits than its factorization.

111242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47052 (or 47039 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 111242222 is about 10547.1428358584. The cubic root of 111242222 is about 480.9388770639.

Adding to 111242222 its reverse (222242111), we get a palindrome (333484333).

It can be divided in two parts, 1112 and 42222, that added together give a palindrome (43334).

The spelling of 111242222 in words is "one hundred eleven million, two hundred forty-two thousand, two hundred twenty-two".