22401023200 has 72 divisors (see below), whose sum is σ = 54716779152. Its totient is φ = 8955448320.

The previous prime is 22401023189. The next prime is 22401023207. The reversal of 22401023200 is 232010422.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401023207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1662892 + ... + 1676308.

It is an arithmetic number, because the mean of its divisors is an integer number (759955266).

Almost surely, 2^22401023200 is an apocalyptic number.

22401023200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22401023200 is an abundant number, since it is smaller than the sum of its proper divisors (32315755952).

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

22401023200 is a wasteful number, since it uses less digits than its factorization.

22401023200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15524 (or 15511 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22401023200 its reverse (232010422), we get a palindrome (22633033622).

The spelling of 22401023200 in words is "twenty-two billion, four hundred one million, twenty-three thousand, two hundred".