22100033 has 6 divisors (see below), whose sum is σ = 23103234. Its totient is φ = 21138656.

The previous prime is 22099999. The next prime is 22100041. The reversal of 22100033 is 33000122.

It can be written as a sum of positive squares in only one way, i.e., 17909824 + 4190209 = 4232^2 + 2047^2 .

It is not a de Polignac number, because 22100033 - 2¹⁶ = 22034497 is a prime.

It is a super-2 number, since 2×22100033² = 976822917202178, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22099987 and 22100023.

It is not an unprimeable number, because it can be changed into a prime (22100333) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20360 + ... + 21417.

It is an arithmetic number, because the mean of its divisors is an integer number (3850539).

Almost surely, 2^22100033 is an apocalyptic number.

22100033 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

22100033 is a deficient number, since it is larger than the sum of its proper divisors (1003201).

22100033 is an equidigital number, since it uses as much as digits as its factorization.

22100033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41823 (or 41800 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 11.

The square root of 22100033 is about 4701.0672192599. The cubic root of 22100033 is about 280.6279825180.

Adding to 22100033 its reverse (33000122), we get a palindrome (55100155).

The spelling of 22100033 in words is "twenty-two million, one hundred thousand, thirty-three".