233316943221 has 8 divisors (see below), whose sum is σ = 311106994560. Its totient is φ = 155535760352.

The previous prime is 233316943219. The next prime is 233316943271. The reversal of 233316943221 is 122349613332.

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 233316943221 - 2¹ = 233316943219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 233316943221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (233316943271) 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, 2155485 + ... + 2261138.

It is an arithmetic number, because the mean of its divisors is an integer number (38888374320).

Almost surely, 2^233316943221 is an apocalyptic number.

It is an amenable number.

233316943221 is a deficient number, since it is larger than the sum of its proper divisors (77790051339).

233316943221 is a wasteful number, since it uses less digits than its factorization.

233316943221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4434235.

The product of its digits is 139968, while the sum is 39.

The spelling of 233316943221 in words is "two hundred thirty-three billion, three hundred sixteen million, nine hundred forty-three thousand, two hundred twenty-one".