2212344304400 has 120 divisors (see below), whose sum is σ = 5555055179904. Its totient is φ = 845118489600.

The previous prime is 2212344304381. The next prime is 2212344304427. The reversal of 2212344304400 is 44034432122.

It is a super-2 number, since 2×2212344304400² (a number of 25 digits) contains 22 as substring.

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, 5614652 + ... + 5995748.

Almost surely, 2^{2212344304400} is an apocalyptic number.

2212344304400 is a gapful number since it is divisible by the number (20) 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 2212344304400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2777527589952).

2212344304400 is an abundant number, since it is smaller than the sum of its proper divisors (3342710875504).

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

2212344304400 is a wasteful number, since it uses less digits than its factorization.

2212344304400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381769 (or 381758 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 2212344304400 its reverse (44034432122), we get a palindrome (2256378736522).

The spelling of 2212344304400 in words is "two trillion, two hundred twelve billion, three hundred forty-four million, three hundred four thousand, four hundred".