2281002281 has 8 divisors (see below), whose sum is σ = 2304829128. Its totient is φ = 2257200000.

The previous prime is 2281002247. The next prime is 2281002329. The reversal of 2281002281 is 1822001822.

It can be written as a sum of positive squares in 4 ways, for example, as 1674119056 + 606883225 = 40916^2 + 24635^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2281002281 - 2²⁶ = 2213893417 is a prime.

It is a super-2 number, since 2×2281002281² = 10405942811854405922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2281002281.

It is not an unprimeable number, because it can be changed into a prime (2281002881) 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 in 7 ways as a sum of consecutive naturals, for example, 225431 + ... + 235331.

It is an arithmetic number, because the mean of its divisors is an integer number (288103641).

Almost surely, 2^2281002281 is an apocalyptic number.

It is an amenable number.

2281002281 is a deficient number, since it is larger than the sum of its proper divisors (23826847).

2281002281 is a wasteful number, since it uses less digits than its factorization.

2281002281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 2281002281 is about 47759.8396249401. The cubic root of 2281002281 is about 1316.3617060600.

It can be divided in two parts, 228100 and 2281, that multiplied together give a square (520296100 = 22810²).

The spelling of 2281002281 in words is "two billion, two hundred eighty-one million, two thousand, two hundred eighty-one".