224541111221 has 8 divisors (see below), whose sum is σ = 256623081024. Its totient is φ = 192460308480.

The previous prime is 224541111163. The next prime is 224541111227. The reversal of 224541111221 is 122111145422.

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 224541111221 - 2¹⁰ = 224541110197 is a prime.

It is a super-2 number, since 2×224541111221² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (224541111227) 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, 169046 + ... + 691128.

It is an arithmetic number, because the mean of its divisors is an integer number (32077885128).

Almost surely, 2^224541111221 is an apocalyptic number.

It is an amenable number.

224541111221 is a deficient number, since it is larger than the sum of its proper divisors (32081969803).

224541111221 is an equidigital number, since it uses as much as digits as its factorization.

224541111221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583531.

The product of its digits is 1280, while the sum is 26.

Adding to 224541111221 its reverse (122111145422), we get a palindrome (346652256643).

The spelling of 224541111221 in words is "two hundred twenty-four billion, five hundred forty-one million, one hundred eleven thousand, two hundred twenty-one".