223032241221 has 4 divisors (see below), whose sum is σ = 297376321632. Its totient is φ = 148688160812.

The previous prime is 223032241219. The next prime is 223032241253. The reversal of 223032241221 is 122142230322.

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 223032241221 - 2¹ = 223032241219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 223032241191 and 223032241200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223032241121) 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, 37172040201 + ... + 37172040206.

It is an arithmetic number, because the mean of its divisors is an integer number (74344080408).

Almost surely, 2^223032241221 is an apocalyptic number.

It is an amenable number.

223032241221 is a deficient number, since it is larger than the sum of its proper divisors (74344080411).

223032241221 is an equidigital number, since it uses as much as digits as its factorization.

223032241221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74344080410.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 223032241221 its reverse (122142230322), we get a palindrome (345174471543).

The spelling of 223032241221 in words is "two hundred twenty-three billion, thirty-two million, two hundred forty-one thousand, two hundred twenty-one".