7222185 has 24 divisors (see below), whose sum is σ = 13178880. Its totient is φ = 3648672.

The previous prime is 7222183. The next prime is 7222199. The reversal of 7222185 is 5812227.

It is not a de Polignac number, because 7222185 - 2¹ = 7222183 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7222181) 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 23 ways as a sum of consecutive naturals, for example, 3369 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (549120).

Almost surely, 2^7222185 is an apocalyptic number.

It is an amenable number.

7222185 is a deficient number, since it is larger than the sum of its proper divisors (5956695).

7222185 is a wasteful number, since it uses less digits than its factorization.

7222185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8477 (or 8474 counting only the distinct ones).

The product of its digits is 2240, while the sum is 27.

The square root of 7222185 is about 2687.4123241512. The cubic root of 7222185 is about 193.2960011812.

The spelling of 7222185 in words is "seven million, two hundred twenty-two thousand, one hundred eighty-five".