2271377828 has 12 divisors (see below), whose sum is σ = 3989580672. Its totient is φ = 1131497640.

The previous prime is 2271377813. The next prime is 2271377831. The reversal of 2271377828 is 8287731722.

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, 1046600 + ... + 1048767.

It is an arithmetic number, because the mean of its divisors is an integer number (332465056).

Almost surely, 2^2271377828 is an apocalyptic number.

It is an amenable number.

2271377828 is a deficient number, since it is larger than the sum of its proper divisors (1718202844).

2271377828 is a wasteful number, since it uses less digits than its factorization.

2271377828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2095642 (or 2095640 counting only the distinct ones).

The product of its digits is 526848, while the sum is 47.

The square root of 2271377828 is about 47658.9742650846. The cubic root of 2271377828 is about 1314.5076786670.

The spelling of 2271377828 in words is "two billion, two hundred seventy-one million, three hundred seventy-seven thousand, eight hundred twenty-eight".