2221095900672 has 320 divisors, whose sum is σ = 7307641566720. Its totient is φ = 660357734400.

The previous prime is 2221095900671. The next prime is 2221095900689. The reversal of 2221095900672 is 2760095901222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221095900671) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7921597 + ... + 8197187.

It is an arithmetic number, because the mean of its divisors is an integer number (22836379896).

Almost surely, 2^{2221095900672} is an apocalyptic number.

2221095900672 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2221095900672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3653820783360).

2221095900672 is an abundant number, since it is smaller than the sum of its proper divisors (5086545666048).

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

2221095900672 is a wasteful number, since it uses less digits than its factorization.

2221095900672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275682 (or 275660 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 2221095900672 in words is "two trillion, two hundred twenty-one billion, ninety-five million, nine hundred thousand, six hundred seventy-two".