2221871702202 has 80 divisors (see below), whose sum is σ = 5121035576712. Its totient is φ = 719502238080.

The previous prime is 2221871702179. The next prime is 2221871702221. The reversal of 2221871702202 is 2022071781222.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1812526382601 + 409345319601 = 1346301^2 + 639801^2 .

It is a super-2 number, since 2×2221871702202² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3630252 + ... + 4197912.

Almost surely, 2^{2221871702202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221871702202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2560517788356).

2221871702202 is an abundant number, since it is smaller than the sum of its proper divisors (2899163874510).

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

2221871702202 is a wasteful number, since it uses less digits than its factorization.

2221871702202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568365 (or 568356 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The spelling of 2221871702202 in words is "two trillion, two hundred twenty-one billion, eight hundred seventy-one million, seven hundred two thousand, two hundred two".