22323685381 has 4 divisors (see below), whose sum is σ = 22323992832. Its totient is φ = 22323377932.

The previous prime is 22323685369. The next prime is 22323685393. The reversal of 22323685381 is 18358632322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (22323685369) and next prime (22323685393).

It is a cyclic number.

It is not a de Polignac number, because 22323685381 - 2¹⁵ = 22323652613 is a prime.

It is a super-3 number, since 3×22323685381³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22323685481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22620 + ... + 212506.

It is an arithmetic number, because the mean of its divisors is an integer number (5580998208).

Almost surely, 2^22323685381 is an apocalyptic number.

It is an amenable number.

22323685381 is a deficient number, since it is larger than the sum of its proper divisors (307451).

22323685381 is a wasteful number, since it uses less digits than its factorization.

22323685381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307450.

The product of its digits is 414720, while the sum is 43.

The spelling of 22323685381 in words is "twenty-two billion, three hundred twenty-three million, six hundred eighty-five thousand, three hundred eighty-one".