2165731702222 has 8 divisors (see below), whose sum is σ = 3543924603672. Its totient is φ = 984423501000.

The previous prime is 2165731702219. The next prime is 2165731702249. The reversal of 2165731702222 is 2222071375612.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49221175029 + ... + 49221175072.

It is an arithmetic number, because the mean of its divisors is an integer number (442990575459).

Almost surely, 2^{2165731702222} is an apocalyptic number.

2165731702222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2165731702222 is a deficient number, since it is larger than the sum of its proper divisors (1378192901450).

2165731702222 is a wasteful number, since it uses less digits than its factorization.

2165731702222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98442350114.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 2165731702222 in words is "two trillion, one hundred sixty-five billion, seven hundred thirty-one million, seven hundred two thousand, two hundred twenty-two".