2272709520 has 60 divisors (see below), whose sum is σ = 7632518556. Its totient is φ = 606055680.

The previous prime is 2272709519. The next prime is 2272709531. The reversal of 2272709520 is 259072722.

2272709520 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 374190336 + 1898519184 = 19344^2 + 43572^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1577551 + ... + 1578990.

Almost surely, 2^2272709520 is an apocalyptic number.

2272709520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2272709520 is an abundant number, since it is smaller than the sum of its proper divisors (5359809036).

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

2272709520 is a wasteful number, since it uses less digits than its factorization.

2272709520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156560 (or 3156551 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 2272709520 is about 47672.9432697416. The cubic root of 2272709520 is about 1314.7645238506.

The spelling of 2272709520 in words is "two billion, two hundred seventy-two million, seven hundred nine thousand, five hundred twenty".