2228594281 has 2 divisors, whose sum is σ = 2228594282. Its totient is φ = 2228594280.

The previous prime is 2228594219. The next prime is 2228594317. The reversal of 2228594281 is 1824958222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1647061056 + 581533225 = 40584^2 + 24115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2228594281 is a prime.

It is a super-2 number, since 2×2228594281² = 9933264938611813922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2228594201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114297140 + 1114297141.

It is an arithmetic number, because the mean of its divisors is an integer number (1114297141).

Almost surely, 2^2228594281 is an apocalyptic number.

It is an amenable number.

2228594281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2228594281 is an equidigital number, since it uses as much as digits as its factorization.

2228594281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 184320, while the sum is 43.

The square root of 2228594281 is about 47207.9895886279. The cubic root of 2228594281 is about 1306.2019784518.

The spelling of 2228594281 in words is "two billion, two hundred twenty-eight million, five hundred ninety-four thousand, two hundred eighty-one".