111422222 has 4 divisors (see below), whose sum is σ = 167133336. Its totient is φ = 55711110.

The previous prime is 111422219. The next prime is 111422243. The reversal of 111422222 is 222224111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222224111 = 12421 ⋅17891.

111422222 is a modest number, since divided by 22222 gives 1114 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 111422222.

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, 27855554 + ... + 27855557.

It is an arithmetic number, because the mean of its divisors is an integer number (41783334).

Almost surely, 2^111422222 is an apocalyptic number.

111422222 is a deficient number, since it is larger than the sum of its proper divisors (55711114).

111422222 is an equidigital number, since it uses as much as digits as its factorization.

111422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55711113.

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

The square root of 111422222 is about 10555.6725034457. The cubic root of 111422222 is about 481.1981381792.

Adding to 111422222 its reverse (222224111), we get a palindrome (333646333).

The spelling of 111422222 in words is "one hundred eleven million, four hundred twenty-two thousand, two hundred twenty-two".