422446223 has 4 divisors (see below), whose sum is σ = 422524848. Its totient is φ = 422367600.

The previous prime is 422446201. The next prime is 422446229. The reversal of 422446223 is 322644224.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422446223 is a prime.

It is a super-2 number, since 2×422446223² = 356921622653931458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422446229) 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 in 3 ways as a sum of consecutive naturals, for example, 30611 + ... + 42212.

It is an arithmetic number, because the mean of its divisors is an integer number (105631212).

Almost surely, 2^422446223 is an apocalyptic number.

422446223 is a deficient number, since it is larger than the sum of its proper divisors (78625).

422446223 is an equidigital number, since it uses as much as digits as its factorization.

422446223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78624.

The product of its digits is 18432, while the sum is 29.

The square root of 422446223 is about 20553.4966124988. The cubic root of 422446223 is about 750.3383498547.

The spelling of 422446223 in words is "four hundred twenty-two million, four hundred forty-six thousand, two hundred twenty-three".