2220002172072 has 96 divisors (see below), whose sum is σ = 6057104508000. Its totient is φ = 734514030720.

The previous prime is 2220002172067. The next prime is 2220002172097. The reversal of 2220002172072 is 2702712000222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50228079 + ... + 50272257.

It is an arithmetic number, because the mean of its divisors is an integer number (63094838625).

Almost surely, 2^{2220002172072} 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 2220002172072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3028552254000).

2220002172072 is an abundant number, since it is smaller than the sum of its proper divisors (3837102335928).

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

2220002172072 is a wasteful number, since it uses less digits than its factorization.

2220002172072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49351 (or 49344 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 27.

Adding to 2220002172072 its reverse (2702712000222), we get a palindrome (4922714172294).

The spelling of 2220002172072 in words is "two trillion, two hundred twenty billion, two million, one hundred seventy-two thousand, seventy-two".