4227791 has 8 divisors (see below), whose sum is σ = 4506624. Its totient is φ = 3956920.

The previous prime is 4227787. The next prime is 4227793. The reversal of 4227791 is 1977224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4227791 - 2² = 4227787 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 (4227793) 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, 875 + ... + 3036.

It is an arithmetic number, because the mean of its divisors is an integer number (563328).

Almost surely, 2^4227791 is an apocalyptic number.

4227791 is a deficient number, since it is larger than the sum of its proper divisors (278833).

4227791 is a wasteful number, since it uses less digits than its factorization.

4227791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3981.

The product of its digits is 7056, while the sum is 32.

The square root of 4227791 is about 2056.1592837132. The cubic root of 4227791 is about 161.6979460266.

The spelling of 4227791 in words is "four million, two hundred twenty-seven thousand, seven hundred ninety-one".