221003422552323 has 24 divisors (see below), whose sum is σ = 326655098930160. Its totient is φ = 143907423125760.

The previous prime is 221003422552321. The next prime is 221003422552333. The reversal of 221003422552323 is 323255224300122.

221003422552323 is a `hidden beast` number, since 2 + 2 + 100 + 3 + 4 + 2 + 2 + 5 + 523 + 23 = 666.

It is not a de Polignac number, because 221003422552323 - 2¹ = 221003422552321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221003422552321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28118263 + ... + 35109023.

It is an arithmetic number, because the mean of its divisors is an integer number (13610629122090).

Almost surely, 2^{221003422552323} is an apocalyptic number.

221003422552323 is a deficient number, since it is larger than the sum of its proper divisors (105651676377837).

221003422552323 is a wasteful number, since it uses less digits than its factorization.

221003422552323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072499 (or 7072496 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 221003422552323 its reverse (323255224300122), we get a palindrome (544258646852445).

The spelling of 221003422552323 in words is "two hundred twenty-one trillion, three billion, four hundred twenty-two million, five hundred fifty-two thousand, three hundred twenty-three".