22020235 has 4 divisors (see below), whose sum is σ = 26424288. Its totient is φ = 17616184.

The previous prime is 22020227. The next prime is 22020277. The reversal of 22020235 is 53202022.

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

It is a cyclic number.

It is not a de Polignac number, because 22020235 - 2³ = 22020227 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2202019 + ... + 2202028.

It is an arithmetic number, because the mean of its divisors is an integer number (6606072).

Almost surely, 2^22020235 is an apocalyptic number.

22020235 is a deficient number, since it is larger than the sum of its proper divisors (4404053).

22020235 is an equidigital number, since it uses as much as digits as its factorization.

22020235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404052.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 22020235 is about 4692.5723222983. The cubic root of 22020235 is about 280.2898147190.

Adding to 22020235 its reverse (53202022), we get a palindrome (75222257).

The spelling of 22020235 in words is "twenty-two million, twenty thousand, two hundred thirty-five".