422111203 has 4 divisors (see below), whose sum is σ = 440463888. Its totient is φ = 403758520.

The previous prime is 422111167. The next prime is 422111233. The reversal of 422111203 is 302111224.

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-422111203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422111233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9176308 + ... + 9176353.

It is an arithmetic number, because the mean of its divisors is an integer number (110115972).

Almost surely, 2^422111203 is an apocalyptic number.

422111203 is a deficient number, since it is larger than the sum of its proper divisors (18352685).

422111203 is a wasteful number, since it uses less digits than its factorization.

422111203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18352684.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 422111203 is about 20545.3450445594. The cubic root of 422111203 is about 750.1399460333.

Adding to 422111203 its reverse (302111224), we get a palindrome (724222427).

The spelling of 422111203 in words is "four hundred twenty-two million, one hundred eleven thousand, two hundred three".