203006422 has 4 divisors (see below), whose sum is σ = 304509636. Its totient is φ = 101503210.

The previous prime is 203006413. The next prime is 203006443. The reversal of 203006422 is 224600302.

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

It is a self number, because there is not a number n which added to its sum of digits gives 203006422.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 50751604 + ... + 50751607.

It is an arithmetic number, because the mean of its divisors is an integer number (76127409).

Almost surely, 2^203006422 is an apocalyptic number.

203006422 is a deficient number, since it is larger than the sum of its proper divisors (101503214).

203006422 is a wasteful number, since it uses less digits than its factorization.

203006422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101503213.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 203006422 is about 14248.0322150113. The cubic root of 203006422 is about 587.7192633817.

Adding to 203006422 its reverse (224600302), we get a palindrome (427606724).

The spelling of 203006422 in words is "two hundred three million, six thousand, four hundred twenty-two".