2228857965312 has 144 divisors (see below), whose sum is σ = 6473668760832. Its totient is φ = 675162869760.

The previous prime is 2228857965307. The next prime is 2228857965319. The reversal of 2228857965312 is 2135697588222.

It is not an unprimeable number, because it can be changed into a prime (2228857965319) 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, 23581893 + ... + 23676219.

Almost surely, 2^{2228857965312} is an apocalyptic number.

2228857965312 is a gapful number since it is divisible by the number (22) 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 2228857965312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236834380416).

2228857965312 is an abundant number, since it is smaller than the sum of its proper divisors (4244810795520).

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

2228857965312 is a wasteful number, since it uses less digits than its factorization.

2228857965312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97154 (or 97140 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 2228857965312 in words is "two trillion, two hundred twenty-eight billion, eight hundred fifty-seven million, nine hundred sixty-five thousand, three hundred twelve".