1222241344000 has 160 divisors (see below), whose sum is σ = 3180249236736. Its totient is φ = 467639603200.

The previous prime is 1222241343901. The next prime is 1222241344003. The reversal of 1222241344000 is 4431422221.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1222241344003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1056837 + ... + 1887163.

Almost surely, 2^{1222241344000} is an apocalyptic number.

1222241344000 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 1222241344000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1590124618368).

1222241344000 is an abundant number, since it is smaller than the sum of its proper divisors (1958007892736).

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

1222241344000 is an frugal number, since it uses more digits than its factorization.

1222241344000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830383 (or 830357 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 1222241344000 its reverse (4431422221), we get a palindrome (1226672766221).

The spelling of 1222241344000 in words is "one trillion, two hundred twenty-two billion, two hundred forty-one million, three hundred forty-four thousand".