228283849 has 2 divisors, whose sum is σ = 228283850. Its totient is φ = 228283848.

The previous prime is 228283829. The next prime is 228283873. The reversal of 228283849 is 948382822.

228283849 = T₁₂₃₃₅ + T₁₂₃₃₆ + T₁₂₃₃₇.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 226201600 + 2082249 = 15040^2 + 1443^2 .

It is a cyclic number.

It is not a de Polignac number, because 228283849 - 2¹⁹ = 227759561 is a prime.

It is a super-2 number, since 2×228283849² = 104227031428509602, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 228283799 and 228283808.

It is not a weakly prime, because it can be changed into another prime (228283829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114141924 + 114141925.

It is an arithmetic number, because the mean of its divisors is an integer number (114141925).

Almost surely, 2^228283849 is an apocalyptic number.

228283849 is the 12337-th centered triangular number.

It is an amenable number.

228283849 is a deficient number, since it is larger than the sum of its proper divisors (1).

228283849 is an equidigital number, since it uses as much as digits as its factorization.

228283849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 442368, while the sum is 46.

The square root of 228283849 is about 15109.0651266053. The cubic root of 228283849 is about 611.1648877329.

The spelling of 228283849 in words is "two hundred twenty-eight million, two hundred eighty-three thousand, eight hundred forty-nine".