22385693 has 12 divisors (see below), whose sum is σ = 25535328. Its totient is φ = 19460760.

The previous prime is 22385687. The next prime is 22385707. The reversal of 22385693 is 39658322.

It is not a de Polignac number, because 22385693 - 2¹⁰ = 22384669 is a prime.

It is a super-2 number, since 2×22385693² = 1002238502180498, which 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 (22385653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3896 + ... + 7742.

It is an arithmetic number, because the mean of its divisors is an integer number (2127944).

Almost surely, 2^22385693 is an apocalyptic number.

22385693 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22385693 is a deficient number, since it is larger than the sum of its proper divisors (3149635).

22385693 is a wasteful number, since it uses less digits than its factorization.

22385693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3904 (or 3881 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 22385693 is about 4731.3521323190. The cubic root of 22385693 is about 281.8319212013.

The spelling of 22385693 in words is "twenty-two million, three hundred eighty-five thousand, six hundred ninety-three".