235302221 has 8 divisors (see below), whose sum is σ = 293363904. Its totient is φ = 183352320.

The previous prime is 235302217. The next prime is 235302233. The reversal of 235302221 is 122203532.

235302221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235302221 - 2² = 235302217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 235302193 and 235302202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235302271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527860 + ... + 1528013.

It is an arithmetic number, because the mean of its divisors is an integer number (36670488).

Almost surely, 2^235302221 is an apocalyptic number.

It is an amenable number.

235302221 is a deficient number, since it is larger than the sum of its proper divisors (58061683).

235302221 is a wasteful number, since it uses less digits than its factorization.

235302221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055891.

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

The square root of 235302221 is about 15339.5639116632. The cubic root of 235302221 is about 617.3650060318.

Adding to 235302221 its reverse (122203532), we get a palindrome (357505753).

The spelling of 235302221 in words is "two hundred thirty-five million, three hundred two thousand, two hundred twenty-one".