2272976928 has 72 divisors (see below), whose sum is σ = 6510394800. Its totient is φ = 752194944.

The previous prime is 2272976899. The next prime is 2272976957. The reversal of 2272976928 is 8296792722.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2272976899) and next prime (2272976957).

It is a tau number, because it is divible by the number of its divisors (72).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11643 + ... + 68421.

It is an arithmetic number, because the mean of its divisors is an integer number (90422150).

Almost surely, 2^2272976928 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 2272976928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3255197400).

2272976928 is an abundant number, since it is smaller than the sum of its proper divisors (4237417872).

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

2272976928 is a wasteful number, since it uses less digits than its factorization.

2272976928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56934 (or 56923 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 54.

The square root of 2272976928 is about 47675.7477969670. The cubic root of 2272976928 is about 1314.8160870854.

The spelling of 2272976928 in words is "two billion, two hundred seventy-two million, nine hundred seventy-six thousand, nine hundred twenty-eight".