221224322043 has 32 divisors (see below), whose sum is σ = 345510174720. Its totient is φ = 139688634240.

The previous prime is 221224322027. The next prime is 221224322063. The reversal of 221224322043 is 340223422122.

221224322043 is a `hidden beast` number, since 2 + 2 + 1 + 22 + 432 + 204 + 3 = 666.

It is not a de Polignac number, because 221224322043 - 2⁴ = 221224322027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 221224321998 and 221224322016.

It is not an unprimeable number, because it can be changed into a prime (221224322023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2772430 + ... + 2851107.

It is an arithmetic number, because the mean of its divisors is an integer number (10797192960).

Almost surely, 2^221224322043 is an apocalyptic number.

221224322043 is a deficient number, since it is larger than the sum of its proper divisors (124285852677).

221224322043 is a wasteful number, since it uses less digits than its factorization.

221224322043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5623624 (or 5623618 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 221224322043 its reverse (340223422122), we get a palindrome (561447744165).

The spelling of 221224322043 in words is "two hundred twenty-one billion, two hundred twenty-four million, three hundred twenty-two thousand, forty-three".