4226647 has 2 divisors, whose sum is σ = 4226648. Its totient is φ = 4226646.

The previous prime is 4226623. The next prime is 4226657. The reversal of 4226647 is 7466224.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4226647 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2²¹ + 2²¹ + 6⁵ + 6⁵ + 4⁷ + 7³ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4226617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2113323 + 2113324.

It is an arithmetic number, because the mean of its divisors is an integer number (2113324).

Almost surely, 2^4226647 is an apocalyptic number.

4226647 is a deficient number, since it is larger than the sum of its proper divisors (1).

4226647 is an equidigital number, since it uses as much as digits as its factorization.

4226647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 31.

The square root of 4226647 is about 2055.8810763271. The cubic root of 4226647 is about 161.6833600693.

The spelling of 4226647 in words is "four million, two hundred twenty-six thousand, six hundred forty-seven".