105224400000 has 384 divisors, whose sum is σ = 388212652800. Its totient is φ = 28056960000.

The previous prime is 105224399989. The next prime is 105224400019. The reversal of 105224400000 is 4422501.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×105224400000² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10795129 + ... + 10804871.

It is an arithmetic number, because the mean of its divisors is an integer number (1010970450).

Almost surely, 2^105224400000 is an apocalyptic number.

105224400000 is a gapful number since it is divisible by the number (10) 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 105224400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194106326400).

105224400000 is an abundant number, since it is smaller than the sum of its proper divisors (282988252800).

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

105224400000 is an frugal number, since it uses more digits than its factorization.

105224400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791 (or 9753 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 105224400000 its reverse (4422501), we get a palindrome (105228822501).

The spelling of 105224400000 in words is "one hundred five billion, two hundred twenty-four million, four hundred thousand".