22118833 has 8 divisors (see below), whose sum is σ = 24176160. Its totient is φ = 20069280.

The previous prime is 22118809. The next prime is 22118839. The reversal of 22118833 is 33881122.

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

It is a de Polignac number, because none of the positive numbers 2^k-22118833 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22118839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5158 + ... + 8416.

It is an arithmetic number, because the mean of its divisors is an integer number (3022020).

Almost surely, 2^22118833 is an apocalyptic number.

It is an amenable number.

22118833 is a deficient number, since it is larger than the sum of its proper divisors (2057327).

22118833 is a wasteful number, since it uses less digits than its factorization.

22118833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887.

The product of its digits is 2304, while the sum is 28.

The square root of 22118833 is about 4703.0663401657. The cubic root of 22118833 is about 280.7075345979.

Adding to 22118833 its reverse (33881122), we get a palindrome (55999955).

The spelling of 22118833 in words is "twenty-two million, one hundred eighteen thousand, eight hundred thirty-three".