22797235 has 4 divisors (see below), whose sum is σ = 27356688. Its totient is φ = 18237784.

The previous prime is 22797193. The next prime is 22797263. The reversal of 22797235 is 53279722.

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 22797235 - 2⁹ = 22796723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22797194 and 22797203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2279719 + ... + 2279728.

It is an arithmetic number, because the mean of its divisors is an integer number (6839172).

Almost surely, 2^22797235 is an apocalyptic number.

22797235 is a deficient number, since it is larger than the sum of its proper divisors (4559453).

22797235 is an equidigital number, since it uses as much as digits as its factorization.

22797235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4559452.

The product of its digits is 52920, while the sum is 37.

The square root of 22797235 is about 4774.6450129826. The cubic root of 22797235 is about 283.5485247178.

It can be divided in two parts, 22797 and 235, that added together give a palindrome (23032).

The spelling of 22797235 in words is "twenty-two million, seven hundred ninety-seven thousand, two hundred thirty-five".