22268805 has 16 divisors (see below), whose sum is σ = 38371200. Its totient is φ = 10963008.

The previous prime is 22268801. The next prime is 22268833. The reversal of 22268805 is 50886222.

It is not a de Polignac number, because 22268805 - 2² = 22268801 is a prime.

It is a super-2 number, since 2×22268805² = 991799352256050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22268801) 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 15 ways as a sum of consecutive naturals, for example, 56905 + ... + 57294.

It is an arithmetic number, because the mean of its divisors is an integer number (2398200).

Almost surely, 2^22268805 is an apocalyptic number.

It is an amenable number.

22268805 is a deficient number, since it is larger than the sum of its proper divisors (16102395).

22268805 is a wasteful number, since it uses less digits than its factorization.

22268805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114220.

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 22268805 is about 4718.9834710454. The cubic root of 22268805 is about 281.3405318431.

The spelling of 22268805 in words is "twenty-two million, two hundred sixty-eight thousand, eight hundred five".