22086800 has 30 divisors (see below), whose sum is σ = 53064498. Its totient is φ = 8834560.

The previous prime is 22086793. The next prime is 22086839. The reversal of 22086800 is 868022.

It can be written as a sum of positive squares in 3 ways, for example, as 2408704 + 19678096 = 1552^2 + 4436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22086800.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27209 + ... + 28008.

Almost surely, 2^22086800 is an apocalyptic number.

22086800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22086800 is an abundant number, since it is smaller than the sum of its proper divisors (30977698).

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

22086800 is a wasteful number, since it uses less digits than its factorization.

22086800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55235 (or 55224 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

The square root of 22086800 is about 4699.6595621385. The cubic root of 22086800 is about 280.5719601049.

It can be divided in two parts, 2 and 2086800, that added together give a palindrome (2086802).

The spelling of 22086800 in words is "twenty-two million, eighty-six thousand, eight hundred".