111774221 has 8 divisors (see below), whose sum is σ = 120820224. Its totient is φ = 102792240.

The previous prime is 111774217. The next prime is 111774239. The reversal of 111774221 is 122477111.

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 111774221 - 2² = 111774217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111774281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12341 + ... + 19386.

It is an arithmetic number, because the mean of its divisors is an integer number (15102528).

Almost surely, 2^111774221 is an apocalyptic number.

It is an amenable number.

111774221 is a deficient number, since it is larger than the sum of its proper divisors (9046003).

111774221 is a wasteful number, since it uses less digits than its factorization.

111774221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32011.

The product of its digits is 784, while the sum is 26.

The square root of 111774221 is about 10572.3328078528. The cubic root of 111774221 is about 481.7043304693.

The spelling of 111774221 in words is "one hundred eleven million, seven hundred seventy-four thousand, two hundred twenty-one".