233241034221 has 56 divisors (see below), whose sum is σ = 376839599640. Its totient is φ = 143442285696.

The previous prime is 233241034189. The next prime is 233241034249. The reversal of 233241034221 is 122430142332.

233241034221 is a `hidden beast` number, since 2 + 332 + 4 + 103 + 4 + 221 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 7605584100 + 225635450121 = 87210^2 + 475011^2 .

It is not a de Polignac number, because 233241034221 - 2⁵ = 233241034189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233241034291) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 16947475 + ... + 16961231.

It is an arithmetic number, because the mean of its divisors is an integer number (6729278565).

Almost surely, 2^233241034221 is an apocalyptic number.

It is an amenable number.

233241034221 is a deficient number, since it is larger than the sum of its proper divisors (143598565419).

233241034221 is a wasteful number, since it uses less digits than its factorization.

233241034221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15577 (or 15562 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 233241034221 its reverse (122430142332), we get a palindrome (355671176553).

The spelling of 233241034221 in words is "two hundred thirty-three billion, two hundred forty-one million, thirty-four thousand, two hundred twenty-one".