355204320227 has 2 divisors, whose sum is σ = 355204320228. Its totient is φ = 355204320226.

The previous prime is 355204320193. The next prime is 355204320239. The reversal of 355204320227 is 722023402553.

It is a strong prime.

It is an emirp because it is prime and its reverse (722023402553) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 355204320227 - 2¹⁰ = 355204319203 is a prime.

It is a super-2 number, since 2×355204320227² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (355204320257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177602160113 + 177602160114.

It is an arithmetic number, because the mean of its divisors is an integer number (177602160114).

Almost surely, 2^355204320227 is an apocalyptic number.

355204320227 is a deficient number, since it is larger than the sum of its proper divisors (1).

355204320227 is an equidigital number, since it uses as much as digits as its factorization.

355204320227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 35.

The spelling of 355204320227 in words is "three hundred fifty-five billion, two hundred four million, three hundred twenty thousand, two hundred twenty-seven".