21322233293 has 8 divisors (see below), whose sum is σ = 21468516480. Its totient is φ = 21176017200.

The previous prime is 21322233253. The next prime is 21322233367. The reversal of 21322233293 is 39233222312.

21322233293 is nontrivially palindromic in base 15.

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 21322233293 - 2²⁴ = 21305456077 is a prime.

It is a super-2 number, since 2×21322233293² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21322233223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 735803 + ... + 764231.

It is an arithmetic number, because the mean of its divisors is an integer number (2683564560).

Almost surely, 2^21322233293 is an apocalyptic number.

It is an amenable number.

21322233293 is a deficient number, since it is larger than the sum of its proper divisors (146283187).

21322233293 is a wasteful number, since it uses less digits than its factorization.

21322233293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33547.

The product of its digits is 23328, while the sum is 32.

The spelling of 21322233293 in words is "twenty-one billion, three hundred twenty-two million, two hundred thirty-three thousand, two hundred ninety-three".