111404222 has 4 divisors (see below), whose sum is σ = 167106336. Its totient is φ = 55702110.

The previous prime is 111404221. The next prime is 111404291. The reversal of 111404222 is 222404111.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 111404222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111404221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27851054 + ... + 27851057.

It is an arithmetic number, because the mean of its divisors is an integer number (41776584).

Almost surely, 2^111404222 is an apocalyptic number.

111404222 is a deficient number, since it is larger than the sum of its proper divisors (55702114).

111404222 is an equidigital number, since it uses as much as digits as its factorization.

111404222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55702113.

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

The square root of 111404222 is about 10554.8198468756. The cubic root of 111404222 is about 481.1722246383.

Adding to 111404222 its reverse (222404111), we get a palindrome (333808333).

The spelling of 111404222 in words is "one hundred eleven million, four hundred four thousand, two hundred twenty-two".