368012221 has 2 divisors, whose sum is σ = 368012222. Its totient is φ = 368012220.

The previous prime is 368012171. The next prime is 368012237. The reversal of 368012221 is 122210863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347636025 + 20376196 = 18645^2 + 4514^2 .

It is a cyclic number.

It is not a de Polignac number, because 368012221 - 2¹¹ = 368010173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368012261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184006110 + 184006111.

It is an arithmetic number, because the mean of its divisors is an integer number (184006111).

Almost surely, 2^368012221 is an apocalyptic number.

It is an amenable number.

368012221 is a deficient number, since it is larger than the sum of its proper divisors (1).

368012221 is an equidigital number, since it uses as much as digits as its factorization.

368012221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 368012221 is about 19183.6446224381. The cubic root of 368012221 is about 716.6175068016.

The spelling of 368012221 in words is "three hundred sixty-eight million, twelve thousand, two hundred twenty-one".