2281358026 has 4 divisors (see below), whose sum is σ = 3422037042. Its totient is φ = 1140679012.

The previous prime is 2281358011. The next prime is 2281358029. The reversal of 2281358026 is 6208531822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6208531822 = 2 ⋅3104265911.

It can be written as a sum of positive squares in only one way, i.e., 2254825225 + 26532801 = 47485^2 + 5151^2 .

It is not an unprimeable number, because it can be changed into a prime (2281358029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 570339505 + ... + 570339508.

Almost surely, 2^2281358026 is an apocalyptic number.

2281358026 is a deficient number, since it is larger than the sum of its proper divisors (1140679016).

2281358026 is a wasteful number, since it uses less digits than its factorization.

2281358026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140679015.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 2281358026 is about 47763.5637908228. The cubic root of 2281358026 is about 1316.4301357377.

Adding to 2281358026 its reverse (6208531822), we get a palindrome (8489889848).

The spelling of 2281358026 in words is "two billion, two hundred eighty-one million, three hundred fifty-eight thousand, twenty-six".