22032755 has 4 divisors (see below), whose sum is σ = 26439312. Its totient is φ = 17626200.

The previous prime is 22032743. The next prime is 22032757. The reversal of 22032755 is 55723022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22032755 - 2⁸ = 22032499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22032757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2203271 + ... + 2203280.

It is an arithmetic number, because the mean of its divisors is an integer number (6609828).

Almost surely, 2^22032755 is an apocalyptic number.

22032755 is a deficient number, since it is larger than the sum of its proper divisors (4406557).

22032755 is an equidigital number, since it uses as much as digits as its factorization.

22032755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4406556.

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 22032755 is about 4693.9061558578. The cubic root of 22032755 is about 280.3429259234.

Adding to 22032755 its reverse (55723022), we get a palindrome (77755777).

The spelling of 22032755 in words is "twenty-two million, thirty-two thousand, seven hundred fifty-five".