2272694272 has 156 divisors (see below), whose sum is σ = 5055649020. Its totient is φ = 1019805696.

The previous prime is 2272694269. The next prime is 2272694273. The reversal of 2272694272 is 2724962722.

It can be written as a sum of positive squares in 2 ways, for example, as 1420988416 + 851705856 = 37696^2 + 29184^2 .

Its product of digits (338688) is a multiple of the sum of its prime factors (144).

It is not an unprimeable number, because it can be changed into a prime (2272694273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42880998 + ... + 42881050.

Almost surely, 2^2272694272 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 2272694272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2527824510).

2272694272 is an abundant number, since it is smaller than the sum of its proper divisors (2782954748).

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

2272694272 is an equidigital number, since it uses as much as digits as its factorization.

2272694272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 103 counting only the distinct ones).

The product of its digits is 338688, while the sum is 43.

The square root of 2272694272 is about 47672.7833464756. The cubic root of 2272694272 is about 1314.7615835167.

The spelling of 2272694272 in words is "two billion, two hundred seventy-two million, six hundred ninety-four thousand, two hundred seventy-two".