6221894 has 8 divisors (see below), whose sum is σ = 10666128. Its totient is φ = 2666520.

The previous prime is 6221879. The next prime is 6221909. The reversal of 6221894 is 4981226.

It is an interprime number because it is at equal distance from previous prime (6221879) and next prime (6221909).

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6221894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 222197 + ... + 222224.

It is an arithmetic number, because the mean of its divisors is an integer number (1333266).

Almost surely, 2^6221894 is an apocalyptic number.

6221894 is a deficient number, since it is larger than the sum of its proper divisors (4444234).

6221894 is a wasteful number, since it uses less digits than its factorization.

6221894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444430.

The product of its digits is 6912, while the sum is 32.

The square root of 6221894 is about 2494.3724661726. The cubic root of 6221894 is about 183.9250442963.

The spelling of 6221894 in words is "six million, two hundred twenty-one thousand, eight hundred ninety-four".