1224041222400 has 216 divisors, whose sum is σ = 4148771586624. Its totient is φ = 317588889600.

The previous prime is 1224041222357. The next prime is 1224041222429. The reversal of 1224041222400 is 42221404221.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151116 + ... + 1571915.

It is an arithmetic number, because the mean of its divisors is an integer number (19207275864).

Almost surely, 2^{1224041222400} is an apocalyptic number.

1224041222400 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 1224041222400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2074385793312).

1224041222400 is an abundant number, since it is smaller than the sum of its proper divisors (2924730364224).

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

1224041222400 is a wasteful number, since it uses less digits than its factorization.

1224041222400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1723097 (or 1723078 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 1224041222400 its reverse (42221404221), we get a palindrome (1266262626621).

It can be divided in two parts, 1224041 and 222400, that added together give a palindrome (1446441).

The spelling of 1224041222400 in words is "one trillion, two hundred twenty-four billion, forty-one million, two hundred twenty-two thousand, four hundred".