22188033 has 48 divisors (see below), whose sum is σ = 39544320. Its totient is φ = 12247200.

The previous prime is 22188007. The next prime is 22188053. The reversal of 22188033 is 33088122.

It is not a de Polignac number, because 22188033 - 2⁶ = 22187969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 22187988 and 22188006.

It is not an unprimeable number, because it can be changed into a prime (22188053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40743 + ... + 41283.

It is an arithmetic number, because the mean of its divisors is an integer number (823840).

Almost surely, 2^22188033 is an apocalyptic number.

It is an amenable number.

22188033 is a deficient number, since it is larger than the sum of its proper divisors (17356287).

22188033 is a wasteful number, since it uses less digits than its factorization.

22188033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 22188033 is about 4710.4174974199. The cubic root of 22188033 is about 280.9999662280. Note that the first 4 decimals are identical.

The spelling of 22188033 in words is "twenty-two million, one hundred eighty-eight thousand, thirty-three".