2309773228 has 24 divisors (see below), whose sum is σ = 4862681600. Its totient is φ = 937802448.

The previous prime is 2309773201. The next prime is 2309773243. The reversal of 2309773228 is 8223779032.

2309773228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2170308 + ... + 2171371.

Almost surely, 2^2309773228 is an apocalyptic number.

2309773228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2309773228 is an abundant number, since it is smaller than the sum of its proper divisors (2552908372).

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

2309773228 is a wasteful number, since it uses less digits than its factorization.

2309773228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4341709 (or 4341707 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 43.

The square root of 2309773228 is about 48060.1001663542. The cubic root of 2309773228 is about 1321.8731494910.

The spelling of 2309773228 in words is "two billion, three hundred nine million, seven hundred seventy-three thousand, two hundred twenty-eight".