6222891 has 8 divisors (see below), whose sum is σ = 8357440. Its totient is φ = 4118472.

The previous prime is 6222883. The next prime is 6222947. The reversal of 6222891 is 1982226.

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

It is not a de Polignac number, because 6222891 - 2³ = 6222883 is a prime.

It is a Duffinian number.

6222891 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6222191) 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, 7045 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (1044680).

Almost surely, 2^6222891 is an apocalyptic number.

6222891 is a deficient number, since it is larger than the sum of its proper divisors (2134549).

6222891 is a wasteful number, since it uses less digits than its factorization.

6222891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15065.

The product of its digits is 3456, while the sum is 30.

The square root of 6222891 is about 2494.5723080320. The cubic root of 6222891 is about 183.9348678578.

The spelling of 6222891 in words is "six million, two hundred twenty-two thousand, eight hundred ninety-one".