6222843225 has 45 divisors (see below), whose sum is σ = 11533436013. Its totient is φ = 3316956480.

The previous prime is 6222843199. The next prime is 6222843241. The reversal of 6222843225 is 5223482226.

The square root of 6222843225 is 78885.

It is a perfect power (a square), and thus also a powerful number.

6222843225 is a `hidden beast` number, since 622 + 2 + 8 + 4 + 3 + 2 + 25 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2942303049 + 3280540176 = 54243^2 + 57276^2 .

It is a tau number, because it is divible by the number of its divisors (45).

It is not a de Polignac number, because 6222843225 - 2⁹ = 6222842713 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6222843225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 3548949 + ... + 3550701.

Almost surely, 2^6222843225 is an apocalyptic number.

6222843225 is the 78885-th square number.

6222843225 is the 39443-rd centered octagonal number.

It is an amenable number.

6222843225 is a deficient number, since it is larger than the sum of its proper divisors (5310592788).

6222843225 is an frugal number, since it uses more digits than its factorization.

6222843225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3528 (or 1761 counting only the distinct ones).

The product of its digits is 92160, while the sum is 36.

The cubic root of 6222843225 is about 1839.3439714892.

Multiplying 6222843225 by its sum of digits (36), we get a square (224022356100 = 473310²).

The spelling of 6222843225 in words is "six billion, two hundred twenty-two million, eight hundred forty-three thousand, two hundred twenty-five".