22401104550 has 192 divisors, whose sum is σ = 62265729024. Its totient is φ = 5283532800.

The previous prime is 22401104533. The next prime is 22401104563. The reversal of 22401104550 is 5540110422.

It is a self number, because there is not a number n which added to its sum of digits gives 22401104550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11105142 + ... + 11107158.

It is an arithmetic number, because the mean of its divisors is an integer number (324300672).

Almost surely, 2^22401104550 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22401104550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31132864512).

22401104550 is an abundant number, since it is smaller than the sum of its proper divisors (39864624474).

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

22401104550 is a wasteful number, since it uses less digits than its factorization.

22401104550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2223 (or 2218 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 22401104550 its reverse (5540110422), we get a palindrome (27941214972).

The spelling of 22401104550 in words is "twenty-two billion, four hundred one million, one hundred four thousand, five hundred fifty".