228178367 has 2 divisors, whose sum is σ = 228178368. Its totient is φ = 228178366.

The previous prime is 228178219. The next prime is 228178381. The reversal of 228178367 is 763871822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228178367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228178387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114089183 + 114089184.

It is an arithmetic number, because the mean of its divisors is an integer number (114089184).

Almost surely, 2^228178367 is an apocalyptic number.

228178367 is a deficient number, since it is larger than the sum of its proper divisors (1).

228178367 is an equidigital number, since it uses as much as digits as its factorization.

228178367 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 44.

The square root of 228178367 is about 15105.5740374208. The cubic root of 228178367 is about 611.0707405753.

The spelling of 228178367 in words is "two hundred twenty-eight million, one hundred seventy-eight thousand, three hundred sixty-seven".