440228111 has 4 divisors (see below), whose sum is σ = 450965424. Its totient is φ = 429490800.

The previous prime is 440228071. The next prime is 440228161. The reversal of 440228111 is 111822044.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-440228111 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 (440228161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5368595 + ... + 5368676.

It is an arithmetic number, because the mean of its divisors is an integer number (112741356).

Almost surely, 2^440228111 is an apocalyptic number.

440228111 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

440228111 is a deficient number, since it is larger than the sum of its proper divisors (10737313).

440228111 is a wasteful number, since it uses less digits than its factorization.

440228111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10737312.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 440228111 is about 20981.6136414719. The cubic root of 440228111 is about 760.7219081248.

The spelling of 440228111 in words is "four hundred forty million, two hundred twenty-eight thousand, one hundred eleven".