7228449 has 12 divisors (see below), whose sum is σ = 10522512. Its totient is φ = 4781400.

The previous prime is 7228447. The next prime is 7228471. The reversal of 7228449 is 9448227.

It is not a de Polignac number, because 7228449 - 2¹ = 7228447 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7228447) 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, 1887 + ... + 4244.

It is an arithmetic number, because the mean of its divisors is an integer number (876876).

Almost surely, 2^7228449 is an apocalyptic number.

It is an amenable number.

7228449 is a deficient number, since it is larger than the sum of its proper divisors (3294063).

7228449 is a wasteful number, since it uses less digits than its factorization.

7228449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6268 (or 6265 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 7228449 is about 2688.5775049271. The cubic root of 7228449 is about 193.3518686814.

The spelling of 7228449 in words is "seven million, two hundred twenty-eight thousand, four hundred forty-nine".