235411221 has 8 divisors (see below), whose sum is σ = 318302784. Its totient is φ = 154730240.

The previous prime is 235411219. The next prime is 235411237. The reversal of 235411221 is 122114532.

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 235411221 - 2¹ = 235411219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235411201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552396 + ... + 552821.

It is an arithmetic number, because the mean of its divisors is an integer number (39787848).

Almost surely, 2^235411221 is an apocalyptic number.

It is an amenable number.

235411221 is a deficient number, since it is larger than the sum of its proper divisors (82891563).

235411221 is a wasteful number, since it uses less digits than its factorization.

235411221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105291.

The product of its digits is 480, while the sum is 21.

The square root of 235411221 is about 15343.1164044336. The cubic root of 235411221 is about 617.4603194792.

Adding to 235411221 its reverse (122114532), we get a palindrome (357525753).

The spelling of 235411221 in words is "two hundred thirty-five million, four hundred eleven thousand, two hundred twenty-one".