4242223 has 2 divisors, whose sum is σ = 4242224. Its totient is φ = 4242222.

The previous prime is 4242211. The next prime is 4242233. The reversal of 4242223 is 3222424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4242223 - 2⁵ = 4242191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4242223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4242233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2121111 + 2121112.

It is an arithmetic number, because the mean of its divisors is an integer number (2121112).

Almost surely, 2^4242223 is an apocalyptic number.

4242223 is a deficient number, since it is larger than the sum of its proper divisors (1).

4242223 is an equidigital number, since it uses as much as digits as its factorization.

4242223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 768, while the sum is 19.

The square root of 4242223 is about 2059.6657495817. The cubic root of 4242223 is about 161.8817279295.

Adding to 4242223 its reverse (3222424), we get a palindrome (7464647).

It can be divided in two parts, 4242 and 223, that added together give a triangular number (4465 = T₉₄).

The spelling of 4242223 in words is "four million, two hundred forty-two thousand, two hundred twenty-three".