7229538 has 24 divisors (see below), whose sum is σ = 16489200. Its totient is φ = 2282904.

The previous prime is 7229531. The next prime is 7229569. The reversal of 7229538 is 8359227.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7229531) 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, 10228 + ... + 10911.

It is an arithmetic number, because the mean of its divisors is an integer number (687050).

Almost surely, 2^7229538 is an apocalyptic number.

7229538 is an abundant number, since it is smaller than the sum of its proper divisors (9259662).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7229538 is a wasteful number, since it uses less digits than its factorization.

7229538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21166 (or 21163 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 7229538 is about 2688.7800207529. The cubic root of 7229538 is about 193.3615779847.

The spelling of 7229538 in words is "seven million, two hundred twenty-nine thousand, five hundred thirty-eight".