2272772448 has 144 divisors (see below), whose sum is σ = 6585074496. Its totient is φ = 743458560.

The previous prime is 2272772443. The next prime is 2272772461. The reversal of 2272772448 is 8442772722.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272772443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4036615 + ... + 4037177.

It is an arithmetic number, because the mean of its divisors is an integer number (45729684).

Almost surely, 2^2272772448 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 2272772448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3292537248).

2272772448 is an abundant number, since it is smaller than the sum of its proper divisors (4312302048).

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

2272772448 is a wasteful number, since it uses less digits than its factorization.

2272772448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 817 (or 806 counting only the distinct ones).

The product of its digits is 702464, while the sum is 45.

The square root of 2272772448 is about 47673.6032621827. The cubic root of 2272772448 is about 1314.7766583737.

The spelling of 2272772448 in words is "two billion, two hundred seventy-two million, seven hundred seventy-two thousand, four hundred forty-eight".