7257227 has 2 divisors, whose sum is σ = 7257228. Its totient is φ = 7257226.

The previous prime is 7257179. The next prime is 7257241. The reversal of 7257227 is 7227527.

It is a strong prime.

It is an emirp because it is prime and its reverse (7227527) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7257227 - 2¹⁰ = 7256203 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7257193 and 7257202.

It is not a weakly prime, because it can be changed into another prime (7257247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3628613 + 3628614.

It is an arithmetic number, because the mean of its divisors is an integer number (3628614).

Almost surely, 2^7257227 is an apocalyptic number.

7257227 is a deficient number, since it is larger than the sum of its proper divisors (1).

7257227 is an equidigital number, since it uses as much as digits as its factorization.

7257227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13720, while the sum is 32.

The square root of 7257227 is about 2693.9240895022. The cubic root of 7257227 is about 193.6081206182.

The spelling of 7257227 in words is "seven million, two hundred fifty-seven thousand, two hundred twenty-seven".