22124411400 has 576 divisors, whose sum is σ = 86883814080. Its totient is φ = 4615833600.

The previous prime is 22124411381. The next prime is 22124411423. The reversal of 22124411400 is 411442122.

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

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 143 ways as a sum of consecutive naturals, for example, 40895130 + ... + 40895670.

It is an arithmetic number, because the mean of its divisors is an integer number (150839955).

Almost surely, 2^22124411400 is an apocalyptic number.

22124411400 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 22124411400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43441907040).

22124411400 is an abundant number, since it is smaller than the sum of its proper divisors (64759402680).

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

22124411400 is a wasteful number, since it uses less digits than its factorization.

22124411400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 678 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22124411400 its reverse (411442122), we get a palindrome (22535853522).

The spelling of 22124411400 in words is "twenty-two billion, one hundred twenty-four million, four hundred eleven thousand, four hundred".