223442244321 has 8 divisors (see below), whose sum is σ = 297931307520. Its totient is φ = 148957338672.

The previous prime is 223442244307. The next prime is 223442244353. The reversal of 223442244321 is 123442244322.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223442244321 - 2¹¹ = 223442242273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (223442244371) 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, 911745 + ... + 1130558.

It is an arithmetic number, because the mean of its divisors is an integer number (37241413440).

Almost surely, 2^223442244321 is an apocalyptic number.

It is an amenable number.

223442244321 is a deficient number, since it is larger than the sum of its proper divisors (74489063199).

223442244321 is a wasteful number, since it uses less digits than its factorization.

223442244321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2078775.

The product of its digits is 73728, while the sum is 33.

Adding to 223442244321 its reverse (123442244322), we get a palindrome (346884488643).

Subtracting from 223442244321 its reverse (123442244322), we obtain a palindrome (99999999999).

The spelling of 223442244321 in words is "two hundred twenty-three billion, four hundred forty-two million, two hundred forty-four thousand, three hundred twenty-one".