7228247 has 8 divisors (see below), whose sum is σ = 8242416. Its totient is φ = 6279552.

The previous prime is 7228237. The next prime is 7228253. The reversal of 7228247 is 7428227.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7228247 - 2⁶ = 7228183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7228217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16133 + ... + 16574.

It is an arithmetic number, because the mean of its divisors is an integer number (1030302).

Almost surely, 2^7228247 is an apocalyptic number.

7228247 is a deficient number, since it is larger than the sum of its proper divisors (1014169).

7228247 is a wasteful number, since it uses less digits than its factorization.

7228247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32737.

The product of its digits is 12544, while the sum is 32.

The square root of 7228247 is about 2688.5399383308. The cubic root of 7228247 is about 193.3500675831.

The spelling of 7228247 in words is "seven million, two hundred twenty-eight thousand, two hundred forty-seven".