235203221 has 16 divisors (see below), whose sum is σ = 268513920. Its totient is φ = 203934720.

The previous prime is 235203217. The next prime is 235203233. The reversal of 235203221 is 122302532.

It is not a de Polignac number, because 235203221 - 2² = 235203217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235203193 and 235203202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235203121) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 102341 + ... + 104613.

It is an arithmetic number, because the mean of its divisors is an integer number (16782120).

Almost surely, 2^235203221 is an apocalyptic number.

It is an amenable number.

235203221 is a deficient number, since it is larger than the sum of its proper divisors (33310699).

235203221 is a wasteful number, since it uses less digits than its factorization.

235203221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2716.

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

The square root of 235203221 is about 15336.3366225445. The cubic root of 235203221 is about 617.2784114260.

Adding to 235203221 its reverse (122302532), we get a palindrome (357505753).

The spelling of 235203221 in words is "two hundred thirty-five million, two hundred three thousand, two hundred twenty-one".