22093552321 has 3 divisors (see below), whose sum is σ = 22093700961. Its totient is φ = 22093403682.

The previous prime is 22093552297. The next prime is 22093552379. The reversal of 22093552321 is 12325539022.

The square root of 22093552321 is 148639.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 12325539022 = 2 ⋅6162769511.

It is not a de Polignac number, because 22093552321 - 2¹¹ = 22093550273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22093552391) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 74320 + ... + 222958.

It is an arithmetic number, because the mean of its divisors is an integer number (7364566987).

Almost surely, 2^22093552321 is an apocalyptic number.

22093552321 is the 148639-th square number.

22093552321 is the 74320-th centered octagonal number.

It is an amenable number.

22093552321 is a deficient number, since it is larger than the sum of its proper divisors (148640).

22093552321 is an frugal number, since it uses more digits than its factorization.

22093552321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297278 (or 148639 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 34.

Multiplying 22093552321 by its product of nonzero digits (32400), we get a square (715831095200400 = 26755020²).

The spelling of 22093552321 in words is "twenty-two billion, ninety-three million, five hundred fifty-two thousand, three hundred twenty-one".