22013443200 has 192 divisors, whose sum is σ = 82865142720. Its totient is φ = 5031628800.

The previous prime is 22013443189. The next prime is 22013443219. The reversal of 22013443200 is 234431022.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 96591 + ... + 230990.

It is an arithmetic number, because the mean of its divisors is an integer number (431589285).

Almost surely, 2^22013443200 is an apocalyptic number.

22013443200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22013443200 is an abundant number, since it is smaller than the sum of its proper divisors (60851699520).

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

22013443200 is a wasteful number, since it uses less digits than its factorization.

22013443200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327615 (or 327598 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22013443200 its reverse (234431022), we get a palindrome (22247874222).

The spelling of 22013443200 in words is "twenty-two billion, thirteen million, four hundred forty-three thousand, two hundred".