2221771713360 has 80 divisors (see below), whose sum is σ = 6920134612800. Its totient is φ = 589664517120.

The previous prime is 2221771713349. The next prime is 2221771713389. The reversal of 2221771713360 is 633171771222.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21886285 + ... + 21987564.

It is an arithmetic number, because the mean of its divisors is an integer number (86501682660).

Almost surely, 2^{2221771713360} is an apocalyptic number.

2221771713360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221771713360 is an abundant number, since it is smaller than the sum of its proper divisors (4698362899440).

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

2221771713360 is a wasteful number, since it uses less digits than its factorization.

2221771713360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43874076 (or 43874070 counting only the distinct ones).

The product of its (nonzero) digits is 148176, while the sum is 42.

The spelling of 2221771713360 in words is "two trillion, two hundred twenty-one billion, seven hundred seventy-one million, seven hundred thirteen thousand, three hundred sixty".