22216833 has 24 divisors (see below), whose sum is σ = 34020480. Its totient is φ = 13932000.

The previous prime is 22216829. The next prime is 22216837. The reversal of 22216833 is 33861222.

It is an interprime number because it is at equal distance from previous prime (22216829) and next prime (22216837).

It is not a de Polignac number, because 22216833 - 2² = 22216829 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22216797 and 22216806.

It is not an unprimeable number, because it can be changed into a prime (22216837) 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 23 ways as a sum of consecutive naturals, for example, 29208 + ... + 29958.

It is an arithmetic number, because the mean of its divisors is an integer number (1417520).

Almost surely, 2^22216833 is an apocalyptic number.

It is an amenable number.

22216833 is a deficient number, since it is larger than the sum of its proper divisors (11803647).

22216833 is a wasteful number, since it uses less digits than its factorization.

22216833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 946 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 22216833 is about 4713.4735599131. The cubic root of 22216833 is about 281.1214926995.

The spelling of 22216833 in words is "twenty-two million, two hundred sixteen thousand, eight hundred thirty-three".