2862221784576 has 640 divisors, whose sum is σ = 10216598667264. Its totient is φ = 689227038720.

The previous prime is 2862221784563. The next prime is 2862221784577. The reversal of 2862221784576 is 6754871222682.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2862221784577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 134701185 + ... + 134722431.

Almost surely, 2^{2862221784576} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2862221784576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5108299333632).

2862221784576 is an abundant number, since it is smaller than the sum of its proper divisors (7354376882688).

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

2862221784576 is a wasteful number, since it uses less digits than its factorization.

2862221784576 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21370 (or 21354 counting only the distinct ones).

The product of its digits is 36126720, while the sum is 60.

The spelling of 2862221784576 in words is "two trillion, eight hundred sixty-two billion, two hundred twenty-one million, seven hundred eighty-four thousand, five hundred seventy-six".