7226447 has 2 divisors, whose sum is σ = 7226448. Its totient is φ = 7226446.

The previous prime is 7226437. The next prime is 7226467. The reversal of 7226447 is 7446227.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7226447 - 2⁴ = 7226431 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7226437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613223 + 3613224.

It is an arithmetic number, because the mean of its divisors is an integer number (3613224).

Almost surely, 2^7226447 is an apocalyptic number.

7226447 is a deficient number, since it is larger than the sum of its proper divisors (1).

7226447 is an equidigital number, since it uses as much as digits as its factorization.

7226447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18816, while the sum is 32.

The square root of 7226447 is about 2688.2051633013. The cubic root of 7226447 is about 193.3340167105.

The spelling of 7226447 in words is "seven million, two hundred twenty-six thousand, four hundred forty-seven".