2212344456444 has 30 divisors (see below), whose sum is σ = 5783505416304. Its totient is φ = 737448152040.

The previous prime is 2212344456437. The next prime is 2212344456527. The reversal of 2212344456444 is 4446544432122.

2212344456444 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 3 + 4 + 44 + 564 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2212344456444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3414111492 + ... + 3414112139.

Almost surely, 2^{2212344456444} is an apocalyptic number.

It is an amenable number.

2212344456444 is an abundant number, since it is smaller than the sum of its proper divisors (3571160959860).

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

2212344456444 is a wasteful number, since it uses less digits than its factorization.

2212344456444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6828223647 (or 6828223636 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 45.

Adding to 2212344456444 its reverse (4446544432122), we get a palindrome (6658888888566).

The spelling of 2212344456444 in words is "two trillion, two hundred twelve billion, three hundred forty-four million, four hundred fifty-six thousand, four hundred forty-four".