7225571 has 2 divisors, whose sum is σ = 7225572. Its totient is φ = 7225570.

The previous prime is 7225541. The next prime is 7225579. The reversal of 7225571 is 1755227.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7225571 - 2¹⁴ = 7209187 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7225579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612785 + 3612786.

It is an arithmetic number, because the mean of its divisors is an integer number (3612786).

Almost surely, 2^7225571 is an apocalyptic number.

7225571 is a deficient number, since it is larger than the sum of its proper divisors (1).

7225571 is an equidigital number, since it uses as much as digits as its factorization.

7225571 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4900, while the sum is 29.

The square root of 7225571 is about 2688.0422243707. The cubic root of 7225571 is about 193.3262043216.

The spelling of 7225571 in words is "seven million, two hundred twenty-five thousand, five hundred seventy-one".