7205229 has 12 divisors (see below), whose sum is σ = 11019996. Its totient is φ = 4520832.

The previous prime is 7205213. The next prime is 7205243. The reversal of 7205229 is 9225027.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6749604 + 455625 = 2598^2 + 675^2 .

It is not a de Polignac number, because 7205229 - 2⁴ = 7205213 is a prime.

7205229 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7205249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23394 + ... + 23699.

It is an arithmetic number, because the mean of its divisors is an integer number (918333).

Almost surely, 2^7205229 is an apocalyptic number.

It is an amenable number.

7205229 is a deficient number, since it is larger than the sum of its proper divisors (3814767).

7205229 is a wasteful number, since it uses less digits than its factorization.

7205229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47116 (or 47113 counting only the distinct ones).

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

The square root of 7205229 is about 2684.2557627767. The cubic root of 7205229 is about 193.1446113870.

The spelling of 7205229 in words is "seven million, two hundred five thousand, two hundred twenty-nine".