22323320421 has 8 divisors (see below), whose sum is σ = 29771276064. Its totient is φ = 14878789200.

The previous prime is 22323320407. The next prime is 22323320431. The reversal of 22323320421 is 12402332322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22323320421 - 2¹⁴ = 22323304037 is a prime.

It is a super-3 number, since 3×22323320421³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323320391 and 22323320400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323320431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 840855 + ... + 866996.

It is an arithmetic number, because the mean of its divisors is an integer number (3721409508).

Almost surely, 2^22323320421 is an apocalyptic number.

It is an amenable number.

22323320421 is a deficient number, since it is larger than the sum of its proper divisors (7447955643).

22323320421 is a wasteful number, since it uses less digits than its factorization.

22323320421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712211.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22323320421 its reverse (12402332322), we get a palindrome (34725652743).

The spelling of 22323320421 in words is "twenty-two billion, three hundred twenty-three million, three hundred twenty thousand, four hundred twenty-one".