6220191 has 8 divisors (see below), whose sum is σ = 8314240. Its totient is φ = 4136472.

The previous prime is 6220187. The next prime is 6220199. The reversal of 6220191 is 1910226.

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

It is not a de Polignac number, because 6220191 - 2² = 6220187 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 (6220199) 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, 1045 + ... + 3678.

It is an arithmetic number, because the mean of its divisors is an integer number (1039280).

Almost surely, 2^6220191 is an apocalyptic number.

6220191 is a deficient number, since it is larger than the sum of its proper divisors (2094049).

6220191 is a wasteful number, since it uses less digits than its factorization.

6220191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 6220191 is about 2494.0310743854. The cubic root of 6220191 is about 183.9082620040.

The spelling of 6220191 in words is "six million, two hundred twenty thousand, one hundred ninety-one".