4420191 has 8 divisors (see below), whose sum is σ = 5981824. Its totient is φ = 2902680.

The previous prime is 4420189. The next prime is 4420219. The reversal of 4420191 is 1910244.

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

It is not a de Polignac number, because 4420191 - 2¹ = 4420189 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 (4420891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10795 + ... + 11196.

It is an arithmetic number, because the mean of its divisors is an integer number (747728).

Almost surely, 2^4420191 is an apocalyptic number.

4420191 is a deficient number, since it is larger than the sum of its proper divisors (1561633).

4420191 is a wasteful number, since it uses less digits than its factorization.

4420191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22061.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 4420191 is about 2102.4250283898. The cubic root of 4420191 is about 164.1145219337.

The spelling of 4420191 in words is "four million, four hundred twenty thousand, one hundred ninety-one".