7228249 has 4 divisors (see below), whose sum is σ = 8260864. Its totient is φ = 6195636.

The previous prime is 7228237. The next prime is 7228253. The reversal of 7228249 is 9428227.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7228249 - 2⁵ = 7228217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7228229) 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 3 ways as a sum of consecutive naturals, for example, 516297 + ... + 516310.

It is an arithmetic number, because the mean of its divisors is an integer number (2065216).

Almost surely, 2^7228249 is an apocalyptic number.

It is an amenable number.

7228249 is a deficient number, since it is larger than the sum of its proper divisors (1032615).

7228249 is a wasteful number, since it uses less digits than its factorization.

7228249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1032614.

The product of its digits is 16128, while the sum is 34.

The square root of 7228249 is about 2688.5403102799. The cubic root of 7228249 is about 193.3500854159.

The spelling of 7228249 in words is "seven million, two hundred twenty-eight thousand, two hundred forty-nine".