13233220001 has 4 divisors (see below), whose sum is σ = 13233669312. Its totient is φ = 13232770692.

The previous prime is 13233219977. The next prime is 13233220027. The reversal of 13233220001 is 10002233231.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13233220001 is a prime.

It is a super-2 number, since 2×13233220001² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13233220061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177125 + ... + 240498.

It is an arithmetic number, because the mean of its divisors is an integer number (3308417328).

Almost surely, 2^13233220001 is an apocalyptic number.

It is an amenable number.

13233220001 is a deficient number, since it is larger than the sum of its proper divisors (449311).

13233220001 is an equidigital number, since it uses as much as digits as its factorization.

13233220001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449310.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 13233220001 its reverse (10002233231), we get a palindrome (23235453232).

The spelling of 13233220001 in words is "thirteen billion, two hundred thirty-three million, two hundred twenty thousand, one".