6222945 has 16 divisors (see below), whose sum is σ = 9987840. Its totient is φ = 3308544.

The previous prime is 6222883. The next prime is 6222947. The reversal of 6222945 is 5492226.

It is not a de Polignac number, because 6222945 - 2⁷ = 6222817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6222947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8296 + ... + 9014.

It is an arithmetic number, because the mean of its divisors is an integer number (624240).

Almost surely, 2^6222945 is an apocalyptic number.

It is an amenable number.

6222945 is a deficient number, since it is larger than the sum of its proper divisors (3764895).

6222945 is a wasteful number, since it uses less digits than its factorization.

6222945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304.

The product of its digits is 8640, while the sum is 30.

The square root of 6222945 is about 2494.5831315071. The cubic root of 6222945 is about 183.9353998964.

The spelling of 6222945 in words is "six million, two hundred twenty-two thousand, nine hundred forty-five".