7225443 has 10 divisors (see below), whose sum is σ = 10793684. Its totient is φ = 4816908.

The previous prime is 7225441. The next prime is 7225469. The reversal of 7225443 is 3445227.

It is not a de Polignac number, because 7225443 - 2¹ = 7225441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

7225443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7225441) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44521 + ... + 44682.

Almost surely, 2^7225443 is an apocalyptic number.

7225443 is a deficient number, since it is larger than the sum of its proper divisors (3568241).

7225443 is an equidigital number, since it uses as much as digits as its factorization.

7225443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89215 (or 89206 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 7225443 is about 2688.0184151155. The cubic root of 7225443 is about 193.3250627325.

The spelling of 7225443 in words is "seven million, two hundred twenty-five thousand, four hundred forty-three".