7222885 has 16 divisors (see below), whose sum is σ = 9068400. Its totient is φ = 5515776.

The previous prime is 7222849. The next prime is 7222903. The reversal of 7222885 is 5882227.

It can be written as a sum of positive squares in 8 ways, for example, as 431649 + 6791236 = 657^2 + 2606^2 .

It is a cyclic number.

It is not a de Polignac number, because 7222885 - 2⁷ = 7222757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7222885.

It is a congruent number.

It is an unprimeable number.

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, 15577 + ... + 16033.

It is an arithmetic number, because the mean of its divisors is an integer number (566775).

Almost surely, 2^7222885 is an apocalyptic number.

It is an amenable number.

7222885 is a deficient number, since it is larger than the sum of its proper divisors (1845515).

7222885 is a wasteful number, since it uses less digits than its factorization.

7222885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600.

The product of its digits is 17920, while the sum is 34.

The square root of 7222885 is about 2687.5425578026. The cubic root of 7222885 is about 193.3022459594.

The spelling of 7222885 in words is "seven million, two hundred twenty-two thousand, eight hundred eighty-five".