221223224113 has 8 divisors (see below), whose sum is σ = 226688585760. Its totient is φ = 215761180320.

The previous prime is 221223224021. The next prime is 221223224129. The reversal of 221223224113 is 311422322122.

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 221223224113 - 2¹³ = 221223215921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221223224513) 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, 694195 + ... + 961432.

It is an arithmetic number, because the mean of its divisors is an integer number (28336073220).

Almost surely, 2^221223224113 is an apocalyptic number.

It is an amenable number.

221223224113 is a deficient number, since it is larger than the sum of its proper divisors (5465361647).

221223224113 is a wasteful number, since it uses less digits than its factorization.

221223224113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658927.

The product of its digits is 2304, while the sum is 25.

Adding to 221223224113 its reverse (311422322122), we get a palindrome (532645546235).

The spelling of 221223224113 in words is "two hundred twenty-one billion, two hundred twenty-three million, two hundred twenty-four thousand, one hundred thirteen".