4226623 has 2 divisors, whose sum is σ = 4226624. Its totient is φ = 4226622.

The previous prime is 4226617. The next prime is 4226647. The reversal of 4226623 is 3266224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4226623 is a prime.

4226623 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4226423) 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 as a sum of consecutive naturals, namely, 2113311 + 2113312.

It is an arithmetic number, because the mean of its divisors is an integer number (2113312).

Almost surely, 2^4226623 is an apocalyptic number.

4226623 is a deficient number, since it is larger than the sum of its proper divisors (1).

4226623 is an equidigital number, since it uses as much as digits as its factorization.

4226623 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 4226623 is about 2055.8752394053. The cubic root of 4226623 is about 161.6830540420.

The spelling of 4226623 in words is "four million, two hundred twenty-six thousand, six hundred twenty-three".