233221053 has 16 divisors (see below), whose sum is σ = 335175680. Its totient is φ = 143394624.

The previous prime is 233221033. The next prime is 233221133. The reversal of 233221053 is 350122332.

It is not a de Polignac number, because 233221053 - 2⁹ = 233220541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233221033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63300 + ... + 66882.

It is an arithmetic number, because the mean of its divisors is an integer number (20948480).

Almost surely, 2^233221053 is an apocalyptic number.

It is an amenable number.

233221053 is a deficient number, since it is larger than the sum of its proper divisors (101954627).

233221053 is a wasteful number, since it uses less digits than its factorization.

233221053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5268.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 233221053 is about 15271.5766376625. The cubic root of 233221053 is about 615.5394856372.

Adding to 233221053 its reverse (350122332), we get a palindrome (583343385).

The spelling of 233221053 in words is "two hundred thirty-three million, two hundred twenty-one thousand, fifty-three".