203135222 has 12 divisors (see below), whose sum is σ = 311330580. Its totient is φ = 99404436.

The previous prime is 203135203. The next prime is 203135237. The reversal of 203135222 is 222531302.

It is a junction number, because it is equal to n+sod(n) for n = 203135194 and 203135203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18572 + ... + 27407.

It is an arithmetic number, because the mean of its divisors is an integer number (25944215).

Almost surely, 2^203135222 is an apocalyptic number.

203135222 is a deficient number, since it is larger than the sum of its proper divisors (108195358).

203135222 is an equidigital number, since it uses as much as digits as its factorization.

203135222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46075 (or 46028 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 203135222 is about 14252.5514207106. The cubic root of 203135222 is about 587.8435324184.

Adding to 203135222 its reverse (222531302), we get a palindrome (425666524).

The spelling of 203135222 in words is "two hundred three million, one hundred thirty-five thousand, two hundred twenty-two".