22808223 has 16 divisors (see below), whose sum is σ = 34210400. Its totient is φ = 15204024.

The previous prime is 22808221. The next prime is 22808231. The reversal of 22808223 is 32280822.

It is not a de Polignac number, because 22808223 - 2¹ = 22808221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22808221) 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, 3028 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (2138150).

Almost surely, 2^22808223 is an apocalyptic number.

22808223 is a deficient number, since it is larger than the sum of its proper divisors (11402177).

22808223 is an frugal number, since it uses more digits than its factorization.

22808223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10450 (or 10432 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 22808223 is about 4775.7955358244. The cubic root of 22808223 is about 283.5940730889.

The spelling of 22808223 in words is "twenty-two million, eight hundred eight thousand, two hundred twenty-three".