232221330133 has 32 divisors (see below), whose sum is σ = 265878547200. Its totient is φ = 201205171200.

The previous prime is 232221330109. The next prime is 232221330139. The reversal of 232221330133 is 331033122232.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-232221330133 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 232221330098 and 232221330107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (232221330139) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3666333 + ... + 3729133.

It is an arithmetic number, because the mean of its divisors is an integer number (8308704600).

Almost surely, 2^232221330133 is an apocalyptic number.

232221330133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

232221330133 is a deficient number, since it is larger than the sum of its proper divisors (33657217067).

232221330133 is a wasteful number, since it uses less digits than its factorization.

232221330133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63069.

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 232221330133 its reverse (331033122232), we get a palindrome (563254452365).

The spelling of 232221330133 in words is "two hundred thirty-two billion, two hundred twenty-one million, three hundred thirty thousand, one hundred thirty-three".