2220444401312 has 24 divisors (see below), whose sum is σ = 4512516043392. Its totient is φ = 1074408580800.

The previous prime is 2220444401311. The next prime is 2220444401327. The reversal of 2220444401312 is 2131044440222.

It is a happy number.

It is a super-2 number, since 2×2220444401312² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2220444401311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1119174614 + ... + 1119176597.

It is an arithmetic number, because the mean of its divisors is an integer number (188021501808).

Almost surely, 2^{2220444401312} is an apocalyptic number.

It is an amenable number.

2220444401312 is an abundant number, since it is smaller than the sum of its proper divisors (2292071642080).

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

2220444401312 is a wasteful number, since it uses less digits than its factorization.

2220444401312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238351252 (or 2238351244 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 2220444401312 its reverse (2131044440222), we get a palindrome (4351488841534).

The spelling of 2220444401312 in words is "two trillion, two hundred twenty billion, four hundred forty-four million, four hundred one thousand, three hundred twelve".