2220161115222 has 48 divisors (see below), whose sum is σ = 4817424388608. Its totient is φ = 738965813040.

The previous prime is 2220161115199. The next prime is 2220161115307. The reversal of 2220161115222 is 2225111610222.

2220161115222 is a `hidden beast` number, since 2 + 2 + 20 + 1 + 6 + 111 + 522 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 46595703 + ... + 46643325.

It is an arithmetic number, because the mean of its divisors is an integer number (100363008096).

Almost surely, 2^{2220161115222} is an apocalyptic number.

2220161115222 is an abundant number, since it is smaller than the sum of its proper divisors (2597263273386).

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

2220161115222 is a wasteful number, since it uses less digits than its factorization.

2220161115222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51385 (or 51382 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

Adding to 2220161115222 its reverse (2225111610222), we get a palindrome (4445272725444).

The spelling of 2220161115222 in words is "two trillion, two hundred twenty billion, one hundred sixty-one million, one hundred fifteen thousand, two hundred twenty-two".