1222296844800 has 720 divisors, whose sum is σ = 4341535070400. Its totient is φ = 302084259840.

The previous prime is 1222296844793. The next prime is 1222296844801. The reversal of 1222296844800 is 84486922221.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1222296844800.

It is not an unprimeable number, because it can be changed into a prime (1222296844801) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6142195101 + ... + 6142195299.

It is an arithmetic number, because the mean of its divisors is an integer number (6029909820).

Almost surely, 2^{1222296844800} is an apocalyptic number.

1222296844800 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 1222296844800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2170767535200).

1222296844800 is an abundant number, since it is smaller than the sum of its proper divisors (3119238225600).

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

1222296844800 is an equidigital number, since it uses as much as digits as its factorization.

1222296844800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441 (or 323 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 1222296844800 in words is "one trillion, two hundred twenty-two billion, two hundred ninety-six million, eight hundred forty-four thousand, eight hundred".