221232230033 has 4 divisors (see below), whose sum is σ = 221710053888. Its totient is φ = 220754406180.

The previous prime is 221232230029. The next prime is 221232230111. The reversal of 221232230033 is 330032232122.

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 not a de Polignac number, because 221232230033 - 2² = 221232230029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 221232229990 and 221232230008.

It is not an unprimeable number, because it can be changed into a prime (221232235033) 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, 238911233 + ... + 238912158.

It is an arithmetic number, because the mean of its divisors is an integer number (55427513472).

Almost surely, 2^221232230033 is an apocalyptic number.

It is an amenable number.

221232230033 is a deficient number, since it is larger than the sum of its proper divisors (477823855).

221232230033 is an equidigital number, since it uses as much as digits as its factorization.

221232230033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477823854.

The product of its (nonzero) digits is 2592, while the sum is 23.

Adding to 221232230033 its reverse (330032232122), we get a palindrome (551264462155).

The spelling of 221232230033 in words is "two hundred twenty-one billion, two hundred thirty-two million, two hundred thirty thousand, thirty-three".