22032243 has 10 divisors (see below), whose sum is σ = 32912484. Its totient is φ = 14688108.

The previous prime is 22032239. The next prime is 22032253. The reversal of 22032243 is 34223022.

It is not a de Polignac number, because 22032243 - 2² = 22032239 is a prime.

It is a super-2 number, since 2×22032243² = 970839463222098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22032233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 135921 + ... + 136082.

Almost surely, 2^22032243 is an apocalyptic number.

22032243 is a deficient number, since it is larger than the sum of its proper divisors (10880241).

22032243 is an equidigital number, since it uses as much as digits as its factorization.

22032243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272015 (or 272006 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 22032243 is about 4693.8516167429. The cubic root of 22032243 is about 280.3407543583.

Adding to 22032243 its reverse (34223022), we get a palindrome (56255265).

The spelling of 22032243 in words is "twenty-two million, thirty-two thousand, two hundred forty-three".