22985838 has 24 divisors (see below), whose sum is σ = 49959000. Its totient is φ = 7637904.

The previous prime is 22985821. The next prime is 22985863. The reversal of 22985838 is 83858922.

It is a junction number, because it is equal to n+sod(n) for n = 22985793 and 22985802.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4453 + ... + 8111.

It is an arithmetic number, because the mean of its divisors is an integer number (2081625).

Almost surely, 2^22985838 is an apocalyptic number.

22985838 is an abundant number, since it is smaller than the sum of its proper divisors (26973162).

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

22985838 is a wasteful number, since it uses less digits than its factorization.

22985838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4016 (or 4013 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 22985838 is about 4794.3548053935. The cubic root of 22985838 is about 284.3283166616.

The spelling of 22985838 in words is "twenty-two million, nine hundred eighty-five thousand, eight hundred thirty-eight".