2272148928 has 112 divisors (see below), whose sum is σ = 7633980160. Its totient is φ = 649181952.

The previous prime is 2272148911. The next prime is 2272148933. The reversal of 2272148928 is 8298412722.

It is a happy number.

2272148928 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 (112).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81826 + ... + 106017.

Almost surely, 2^2272148928 is an apocalyptic number.

2272148928 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2272148928 is an abundant number, since it is smaller than the sum of its proper divisors (5361831232).

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

2272148928 is a wasteful number, since it uses less digits than its factorization.

2272148928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187871 (or 187855 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 2272148928 is about 47667.0633456688. The cubic root of 2272148928 is about 1314.6564139673.

The spelling of 2272148928 in words is "two billion, two hundred seventy-two million, one hundred forty-eight thousand, nine hundred twenty-eight".