22985842 has 8 divisors (see below), whose sum is σ = 37613232. Its totient is φ = 10448100.

The previous prime is 22985821. The next prime is 22985863. The reversal of 22985842 is 24858922.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22985821) and next prime (22985863).

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

It is a junction number, because it is equal to n+sod(n) for n = 22985795 and 22985804.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522384 + ... + 522427.

It is an arithmetic number, because the mean of its divisors is an integer number (4701654).

Almost surely, 2^22985842 is an apocalyptic number.

22985842 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22985842 is a deficient number, since it is larger than the sum of its proper divisors (14627390).

22985842 is a wasteful number, since it uses less digits than its factorization.

22985842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1044824.

The product of its digits is 92160, while the sum is 40.

The square root of 22985842 is about 4794.3552225508. The cubic root of 22985842 is about 284.3283331545.

Subtracting 22985842 from its reverse (24858922), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 22985842 in words is "twenty-two million, nine hundred eighty-five thousand, eight hundred forty-two".