22143551200 has 72 divisors (see below), whose sum is σ = 54079788672. Its totient is φ = 8853841920.

The previous prime is 22143551173. The next prime is 22143551207. The reversal of 22143551200 is 215534122.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22143551207) 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 11 ways as a sum of consecutive naturals, for example, 2953857 + ... + 2961343.

It is an arithmetic number, because the mean of its divisors is an integer number (751108176).

Almost surely, 2^22143551200 is an apocalyptic number.

22143551200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143551200 is an abundant number, since it is smaller than the sum of its proper divisors (31936237472).

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

22143551200 is a wasteful number, since it uses less digits than its factorization.

22143551200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11204 (or 11191 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 22143551200 in words is "twenty-two billion, one hundred forty-three million, five hundred fifty-one thousand, two hundred".