422202223 has 2 divisors, whose sum is σ = 422202224. Its totient is φ = 422202222.

The previous prime is 422202217. The next prime is 422202241. The reversal of 422202223 is 322202224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422202223 - 2⁹ = 422201711 is a prime.

It is a super-2 number, since 2×422202223² = 356509434212283458, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 422202223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422202203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211101111 + 211101112.

It is an arithmetic number, because the mean of its divisors is an integer number (211101112).

Almost surely, 2^422202223 is an apocalyptic number.

422202223 is a deficient number, since it is larger than the sum of its proper divisors (1).

422202223 is an equidigital number, since it uses as much as digits as its factorization.

422202223 is an evil number, because the sum of its binary digits is even.

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

The square root of 422202223 is about 20547.5600254629. The cubic root of 422202223 is about 750.1938598128.

Adding to 422202223 its reverse (322202224), we get a palindrome (744404447).

Subtracting from 422202223 its reverse (322202224), we obtain a palindrome (99999999).

The spelling of 422202223 in words is "four hundred twenty-two million, two hundred two thousand, two hundred twenty-three".