2282268881 has 4 divisors (see below), whose sum is σ = 2325330612. Its totient is φ = 2239207152.

The previous prime is 2282268869. The next prime is 2282268907. The reversal of 2282268881 is 1888622822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1542918400 + 739350481 = 39280^2 + 27191^2 .

It is a cyclic number.

It is not a de Polignac number, because 2282268881 - 2¹⁰ = 2282267857 is a prime.

It is a super-2 number, since 2×2282268881² = 10417502490361984322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2282268281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21530786 + ... + 21530891.

It is an arithmetic number, because the mean of its divisors is an integer number (581332653).

Almost surely, 2^2282268881 is an apocalyptic number.

It is an amenable number.

2282268881 is a deficient number, since it is larger than the sum of its proper divisors (43061731).

2282268881 is an equidigital number, since it uses as much as digits as its factorization.

2282268881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43061730.

The product of its digits is 393216, while the sum is 47.

The square root of 2282268881 is about 47773.0978794551. The cubic root of 2282268881 is about 1316.6053117238.

The spelling of 2282268881 in words is "two billion, two hundred eighty-two million, two hundred sixty-eight thousand, eight hundred eighty-one".