6221836 has 12 divisors (see below), whose sum is σ = 10990728. Its totient is φ = 3081632.

The previous prime is 6221833. The next prime is 6221837. The reversal of 6221836 is 6381226.

It is a super-2 number, since 2×6221836² = 77422486421792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6841 + ... + 7696.

It is an arithmetic number, because the mean of its divisors is an integer number (915894).

Almost surely, 2^6221836 is an apocalyptic number.

It is an amenable number.

6221836 is a deficient number, since it is larger than the sum of its proper divisors (4768892).

6221836 is a wasteful number, since it uses less digits than its factorization.

6221836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14648 (or 14646 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 6221836 is about 2494.3608399748. The cubic root of 6221836 is about 183.9244727830.

The spelling of 6221836 in words is "six million, two hundred twenty-one thousand, eight hundred thirty-six".