4222723 has 2 divisors, whose sum is σ = 4222724. Its totient is φ = 4222722.

The previous prime is 4222721. The next prime is 4222739. The reversal of 4222723 is 3272224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4222723 - 2¹ = 4222721 is a prime.

Together with 4222721, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 4222694 and 4222703.

It is not a weakly prime, because it can be changed into another prime (4222721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2111361 + 2111362.

It is an arithmetic number, because the mean of its divisors is an integer number (2111362).

Almost surely, 2^4222723 is an apocalyptic number.

4222723 is a deficient number, since it is larger than the sum of its proper divisors (1).

4222723 is an equidigital number, since it uses as much as digits as its factorization.

4222723 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1344, while the sum is 22.

The square root of 4222723 is about 2054.9265193675. The cubic root of 4222723 is about 161.6333092098.

Adding to 4222723 its reverse (3272224), we get a palindrome (7494947).

The spelling of 4222723 in words is "four million, two hundred twenty-two thousand, seven hundred twenty-three".