6221356 has 12 divisors (see below), whose sum is σ = 10904992. Its totient is φ = 3105648.

The previous prime is 6221317. The next prime is 6221377. The reversal of 6221356 is 6531226.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 6221356.

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, 3661 + ... + 5083.

Almost surely, 2^6221356 is an apocalyptic number.

It is an amenable number.

6221356 is a deficient number, since it is larger than the sum of its proper divisors (4683636).

6221356 is a wasteful number, since it uses less digits than its factorization.

6221356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520 (or 2518 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 6221356 is about 2494.2646210857. The cubic root of 6221356 is about 183.9197428813.

The spelling of 6221356 in words is "six million, two hundred twenty-one thousand, three hundred fifty-six".