228167369 has 2 divisors, whose sum is σ = 228167370. Its totient is φ = 228167368.

The previous prime is 228167323. The next prime is 228167399. The reversal of 228167369 is 963761822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189888400 + 38278969 = 13780^2 + 6187^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228167369 is a prime.

It is a super-2 number, since 2×228167369² = 104120696552764322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228167309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114083684 + 114083685.

It is an arithmetic number, because the mean of its divisors is an integer number (114083685).

Almost surely, 2^228167369 is an apocalyptic number.

It is an amenable number.

228167369 is a deficient number, since it is larger than the sum of its proper divisors (1).

228167369 is an equidigital number, since it uses as much as digits as its factorization.

228167369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 44.

The square root of 228167369 is about 15105.2099952301. The cubic root of 228167369 is about 611.0609227237.

The spelling of 228167369 in words is "two hundred twenty-eight million, one hundred sixty-seven thousand, three hundred sixty-nine".