2281608306 has 24 divisors (see below), whose sum is σ = 4946317740. Its totient is φ = 760100256.

The previous prime is 2281608299. The next prime is 2281608319. The reversal of 2281608306 is 6038061822.

It can be written as a sum of positive squares in 2 ways, for example, as 1777381281 + 504227025 = 42159^2 + 22455^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3225 + ... + 67628.

Almost surely, 2^2281608306 is an apocalyptic number.

2281608306 is an abundant number, since it is smaller than the sum of its proper divisors (2664709434).

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

2281608306 is a wasteful number, since it uses less digits than its factorization.

2281608306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72650 (or 72647 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 2281608306 is about 47766.1837077236. The cubic root of 2281608306 is about 1316.4782743292.

The spelling of 2281608306 in words is "two billion, two hundred eighty-one million, six hundred eight thousand, three hundred six".