7229205 has 12 divisors (see below), whose sum is σ = 12530700. Its totient is φ = 3855552.

The previous prime is 7229197. The next prime is 7229219. The reversal of 7229205 is 5029227.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4691556 + 2537649 = 2166^2 + 1593^2 .

It is not a de Polignac number, because 7229205 - 2³ = 7229197 is a prime.

It is a super-2 number, since 2×7229205² = 104522809864050, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁵ + 2¹⁴ + 2²⁰ + 9 + 2²² + 0 + 5⁹ .

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 11 ways as a sum of consecutive naturals, for example, 80280 + ... + 80369.

It is an arithmetic number, because the mean of its divisors is an integer number (1044225).

Almost surely, 2^7229205 is an apocalyptic number.

It is an amenable number.

7229205 is a deficient number, since it is larger than the sum of its proper divisors (5301495).

7229205 is a wasteful number, since it uses less digits than its factorization.

7229205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160660 (or 160657 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 7229205 is about 2688.7180960450. The cubic root of 7229205 is about 193.3586091277.

The spelling of 7229205 in words is "seven million, two hundred twenty-nine thousand, two hundred five".