422142203 has 12 divisors (see below), whose sum is σ = 501514272. Its totient is φ = 354135600.

The previous prime is 422142197. The next prime is 422142211. The reversal of 422142203 is 302241224.

It is not a de Polignac number, because 422142203 - 2⁴ = 422142187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (422142263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89348 + ... + 93953.

It is an arithmetic number, because the mean of its divisors is an integer number (41792856).

Almost surely, 2^422142203 is an apocalyptic number.

422142203 is a deficient number, since it is larger than the sum of its proper divisors (79372069).

422142203 is a wasteful number, since it uses less digits than its factorization.

422142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183362 (or 183355 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 422142203 is about 20546.0994595081. The cubic root of 422142203 is about 750.1583091005.

Adding to 422142203 its reverse (302241224), we get a palindrome (724383427).

The spelling of 422142203 in words is "four hundred twenty-two million, one hundred forty-two thousand, two hundred three".