2291226111776 has 96 divisors (see below), whose sum is σ = 5297031355392. Its totient is φ = 954974223360.

The previous prime is 2291226111773. The next prime is 2291226111803. The reversal of 2291226111776 is 6771116221922.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2291226111776.

It is not an unprimeable number, because it can be changed into a prime (2291226111773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18228986 + ... + 18354246.

It is an arithmetic number, because the mean of its divisors is an integer number (55177409952).

Almost surely, 2^{2291226111776} 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 2291226111776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2648515677696).

2291226111776 is an abundant number, since it is smaller than the sum of its proper divisors (3005805243616).

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

2291226111776 is a wasteful number, since it uses less digits than its factorization.

2291226111776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127522 (or 127514 counting only the distinct ones).

The product of its digits is 254016, while the sum is 47.

The spelling of 2291226111776 in words is "two trillion, two hundred ninety-one billion, two hundred twenty-six million, one hundred eleven thousand, seven hundred seventy-six".