6222647 has 4 divisors (see below), whose sum is σ = 6286896. Its totient is φ = 6158400.

The previous prime is 6222641. The next prime is 6222679. The reversal of 6222647 is 7462226.

6222647 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6222647 - 2¹⁸ = 5960503 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 (6222641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31979 + ... + 32172.

It is an arithmetic number, because the mean of its divisors is an integer number (1571724).

Almost surely, 2^6222647 is an apocalyptic number.

6222647 is a deficient number, since it is larger than the sum of its proper divisors (64249).

6222647 is an equidigital number, since it uses as much as digits as its factorization.

6222647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64248.

The product of its digits is 8064, while the sum is 29.

The square root of 6222647 is about 2494.5234013735. The cubic root of 6222647 is about 183.9324637933.

The spelling of 6222647 in words is "six million, two hundred twenty-two thousand, six hundred forty-seven".