22122332300400 has 240 divisors, whose sum is σ = 73962151833600. Its totient is φ = 5641588198400.

The previous prime is 22122332300399. The next prime is 22122332300429. The reversal of 22122332300400 is 400323322122.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 132368890 + ... + 132535910.

It is an arithmetic number, because the mean of its divisors is an integer number (308175632640).

Almost surely, 2^{22122332300400} is an apocalyptic number.

22122332300400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22122332300400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36981075916800).

22122332300400 is an abundant number, since it is smaller than the sum of its proper divisors (51839819533200).

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

22122332300400 is a wasteful number, since it uses less digits than its factorization.

22122332300400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171864 (or 171853 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 22122332300400 its reverse (400323322122), we get a palindrome (22522655622522).

The spelling of 22122332300400 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred thirty-two million, three hundred thousand, four hundred".