235163221 has 8 divisors (see below), whose sum is σ = 237593664. Its totient is φ = 232745280.

The previous prime is 235163213. The next prime is 235163251. The reversal of 235163221 is 122361532.

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 235163221 - 2³ = 235163213 is a prime.

It is a super-2 number, since 2×235163221² = 110603481022189682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235163251) 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, 37326 + ... + 43168.

It is an arithmetic number, because the mean of its divisors is an integer number (29699208).

Almost surely, 2^235163221 is an apocalyptic number.

It is an amenable number.

235163221 is a deficient number, since it is larger than the sum of its proper divisors (2430443).

235163221 is a wasteful number, since it uses less digits than its factorization.

235163221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6251.

The product of its digits is 2160, while the sum is 25.

The square root of 235163221 is about 15335.0324746966. The cubic root of 235163221 is about 617.2434168141.

The spelling of 235163221 in words is "two hundred thirty-five million, one hundred sixty-three thousand, two hundred twenty-one".