22309307685 has 32 divisors (see below), whose sum is σ = 45326849280. Its totient is φ = 10198540224.

The previous prime is 22309307617. The next prime is 22309307693. The reversal of 22309307685 is 58670390322.

It is not a de Polignac number, because 22309307685 - 2⁹ = 22309307173 is a prime.

It is a super-3 number, since 3×22309307685³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22309307685.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11802922 + ... + 11804811.

It is an arithmetic number, because the mean of its divisors is an integer number (1416464040).

Almost surely, 2^22309307685 is an apocalyptic number.

It is an amenable number.

22309307685 is an abundant number, since it is smaller than the sum of its proper divisors (23017541595).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22309307685 is a wasteful number, since it uses less digits than its factorization.

22309307685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23607754 (or 23607748 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The spelling of 22309307685 in words is "twenty-two billion, three hundred nine million, three hundred seven thousand, six hundred eighty-five".