203422475 has 6 divisors (see below), whose sum is σ = 252243900. Its totient is φ = 162737960.

The previous prime is 203422451. The next prime is 203422477. The reversal of 203422475 is 574224302.

It is not a de Polignac number, because 203422475 - 2¹⁰ = 203421451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203422477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4068425 + ... + 4068474.

It is an arithmetic number, because the mean of its divisors is an integer number (42040650).

Almost surely, 2^203422475 is an apocalyptic number.

203422475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

203422475 is a deficient number, since it is larger than the sum of its proper divisors (48821425).

203422475 is an equidigital number, since it uses as much as digits as its factorization.

203422475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8136909 (or 8136904 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 203422475 is about 14262.6251090043. The cubic root of 203422475 is about 588.1204912577.

Adding to 203422475 its reverse (574224302), we get a palindrome (777646777).

The spelling of 203422475 in words is "two hundred three million, four hundred twenty-two thousand, four hundred seventy-five".