228414281 has 2 divisors, whose sum is σ = 228414282. Its totient is φ = 228414280.

The previous prime is 228414271. The next prime is 228414287. The reversal of 228414281 is 182414822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 212693056 + 15721225 = 14584^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 228414281 - 2¹⁸ = 228152137 is a prime.

It is a super-2 number, since 2×228414281² = 104346167529493922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228414287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114207140 + 114207141.

It is an arithmetic number, because the mean of its divisors is an integer number (114207141).

Almost surely, 2^228414281 is an apocalyptic number.

It is an amenable number.

228414281 is a deficient number, since it is larger than the sum of its proper divisors (1).

228414281 is an equidigital number, since it uses as much as digits as its factorization.

228414281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8192, while the sum is 32.

The square root of 228414281 is about 15113.3808593577. The cubic root of 228414281 is about 611.2812637296.

The spelling of 228414281 in words is "two hundred twenty-eight million, four hundred fourteen thousand, two hundred eighty-one".