2272772720 has 20 divisors (see below), whose sum is σ = 5284196760. Its totient is φ = 909109056.

The previous prime is 2272772707. The next prime is 2272772731. The reversal of 2272772720 is 272772722.

2272772720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14204750 + ... + 14204909.

It is an arithmetic number, because the mean of its divisors is an integer number (264209838).

Almost surely, 2^2272772720 is an apocalyptic number.

2272772720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272772720 is an abundant number, since it is smaller than the sum of its proper divisors (3011424040).

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

2272772720 is a wasteful number, since it uses less digits than its factorization.

2272772720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28409672 (or 28409666 counting only the distinct ones).

The product of its (nonzero) digits is 76832, while the sum is 38.

The square root of 2272772720 is about 47673.6061149144. The cubic root of 2272772720 is about 1314.7767108235.

The spelling of 2272772720 in words is "two billion, two hundred seventy-two million, seven hundred seventy-two thousand, seven hundred twenty".