221402324223 has 48 divisors (see below), whose sum is σ = 333055666944. Its totient is φ = 141622992000.

The previous prime is 221402324201. The next prime is 221402324243. The reversal of 221402324223 is 322423204122.

221402324223 is a `hidden beast` number, since 2 + 2 + 1 + 4 + 0 + 232 + 422 + 3 = 666.

It is not a de Polignac number, because 221402324223 - 2³² = 217107356927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221402324243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7075390 + ... + 7106612.

It is an arithmetic number, because the mean of its divisors is an integer number (6938659728).

Almost surely, 2^221402324223 is an apocalyptic number.

221402324223 is a deficient number, since it is larger than the sum of its proper divisors (111653342721).

221402324223 is a wasteful number, since it uses less digits than its factorization.

221402324223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31596 (or 31593 counting only the distinct ones).

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

Adding to 221402324223 its reverse (322423204122), we get a palindrome (543825528345).

The spelling of 221402324223 in words is "two hundred twenty-one billion, four hundred two million, three hundred twenty-four thousand, two hundred twenty-three".