2203995281 has 2 divisors, whose sum is σ = 2203995282. Its totient is φ = 2203995280.

The previous prime is 2203995253. The next prime is 2203995293. The reversal of 2203995281 is 1825993022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1733972881 + 470022400 = 41641^2 + 21680^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2203995281 is a prime.

It is a super-2 number, since 2×2203995281² = 9715190397340537922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2203995181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1101997640 + 1101997641.

It is an arithmetic number, because the mean of its divisors is an integer number (1101997641).

Almost surely, 2^2203995281 is an apocalyptic number.

It is an amenable number.

2203995281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2203995281 is an equidigital number, since it uses as much as digits as its factorization.

2203995281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 77760, while the sum is 41.

The square root of 2203995281 is about 46946.7281181554. The cubic root of 2203995281 is about 1301.3782780563.

The spelling of 2203995281 in words is "two billion, two hundred three million, nine hundred ninety-five thousand, two hundred eighty-one".