22265011 has 4 divisors (see below), whose sum is σ = 23032800. Its totient is φ = 21497224.

The previous prime is 22264997. The next prime is 22265039. The reversal of 22265011 is 11056222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22265011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22265011.

It is not an unprimeable number, because it can be changed into a prime (22265051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 383851 + ... + 383908.

It is an arithmetic number, because the mean of its divisors is an integer number (5758200).

Almost surely, 2^22265011 is an apocalyptic number.

22265011 is a deficient number, since it is larger than the sum of its proper divisors (767789).

22265011 is an equidigital number, since it uses as much as digits as its factorization.

22265011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 767788.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 22265011 is about 4718.5814605663. The cubic root of 22265011 is about 281.3245533386.

The spelling of 22265011 in words is "twenty-two million, two hundred sixty-five thousand, eleven".