22824220 has 24 divisors (see below), whose sum is σ = 48649104. Its totient is φ = 8992896.

The previous prime is 22824203. The next prime is 22824239. The reversal of 22824220 is 2242822.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22824191 and 22824200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7177 + ... + 9856.

It is an arithmetic number, because the mean of its divisors is an integer number (2027046).

Almost surely, 2^22824220 is an apocalyptic number.

22824220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22824220 is an abundant number, since it is smaller than the sum of its proper divisors (25824884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22824220 is a wasteful number, since it uses less digits than its factorization.

22824220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17109 (or 17107 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 22824220 is about 4777.4700417690. The cubic root of 22824220 is about 283.6603590387.

The spelling of 22824220 in words is "twenty-two million, eight hundred twenty-four thousand, two hundred twenty".