22227808 has 12 divisors (see below), whose sum is σ = 43761060. Its totient is φ = 11113888.

The previous prime is 22227797. The next prime is 22227809. The reversal of 22227808 is 80872222.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22227808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22227809) by changing a digit.

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 as a sum of consecutive naturals, namely, 347278 + ... + 347341.

It is an arithmetic number, because the mean of its divisors is an integer number (3646755).

Almost surely, 2^22227808 is an apocalyptic number.

It is an amenable number.

22227808 is a deficient number, since it is larger than the sum of its proper divisors (21533252).

22227808 is an equidigital number, since it uses as much as digits as its factorization.

22227808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694629 (or 694621 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 22227808 is about 4714.6376318865. The cubic root of 22227808 is about 281.1677759310.

The spelling of 22227808 in words is "twenty-two million, two hundred twenty-seven thousand, eight hundred eight".