364652221 has 2 divisors, whose sum is σ = 364652222. Its totient is φ = 364652220.

The previous prime is 364652219. The next prime is 364652231. The reversal of 364652221 is 122256463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266146596 + 98505625 = 16314^2 + 9925^2 .

It is a cyclic number.

It is not a de Polignac number, because 364652221 - 2¹ = 364652219 is a prime.

Together with 364652219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (364652201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 182326110 + 182326111.

It is an arithmetic number, because the mean of its divisors is an integer number (182326111).

Almost surely, 2^364652221 is an apocalyptic number.

It is an amenable number.

364652221 is a deficient number, since it is larger than the sum of its proper divisors (1).

364652221 is an equidigital number, since it uses as much as digits as its factorization.

364652221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 364652221 is about 19095.8692130000. The cubic root of 364652221 is about 714.4298981373.

The spelling of 364652221 in words is "three hundred sixty-four million, six hundred fifty-two thousand, two hundred twenty-one".