7225471 has 16 divisors (see below), whose sum is σ = 8311968. Its totient is φ = 6220800.

The previous prime is 7225469. The next prime is 7225483. The reversal of 7225471 is 1745227.

It is a 10-Lehmer number, since φ(7225471) divides (7225471-1)¹⁰.

It is a cyclic number.

It is not a de Polignac number, because 7225471 - 2¹ = 7225469 is a prime.

It is a super-3 number, since 3×7225471³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7225441) 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 15 ways as a sum of consecutive naturals, for example, 16471 + ... + 16903.

It is an arithmetic number, because the mean of its divisors is an integer number (519498).

Almost surely, 2^7225471 is an apocalyptic number.

7225471 is a deficient number, since it is larger than the sum of its proper divisors (1086497).

7225471 is a wasteful number, since it uses less digits than its factorization.

7225471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522.

The product of its digits is 3920, while the sum is 28.

The square root of 7225471 is about 2688.0236234081. The cubic root of 7225471 is about 193.3253124562.

The spelling of 7225471 in words is "seven million, two hundred twenty-five thousand, four hundred seventy-one".