22028461800 has 96 divisors (see below), whose sum is σ = 68327189280. Its totient is φ = 5870905600.

The previous prime is 22028461759. The next prime is 22028461801. The reversal of 22028461800 is 816482022.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22028461801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1149094 + ... + 1168106.

It is an arithmetic number, because the mean of its divisors is an integer number (711741555).

Almost surely, 2^22028461800 is an apocalyptic number.

22028461800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22028461800 is an abundant number, since it is smaller than the sum of its proper divisors (46298727480).

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

22028461800 is a wasteful number, since it uses less digits than its factorization.

22028461800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20963 (or 20954 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 22028461800 in words is "twenty-two billion, twenty-eight million, four hundred sixty-one thousand, eight hundred".