349815227 has 2 divisors, whose sum is σ = 349815228. Its totient is φ = 349815226.

The previous prime is 349815209. The next prime is 349815247. The reversal of 349815227 is 722518943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349815227 - 2¹⁴ = 349798843 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (349815247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174907613 + 174907614.

It is an arithmetic number, because the mean of its divisors is an integer number (174907614).

Almost surely, 2^349815227 is an apocalyptic number.

349815227 is a deficient number, since it is larger than the sum of its proper divisors (1).

349815227 is an equidigital number, since it uses as much as digits as its factorization.

349815227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 349815227 is about 18703.3480157965. The cubic root of 349815227 is about 704.6058370407.

The spelling of 349815227 in words is "three hundred forty-nine million, eight hundred fifteen thousand, two hundred twenty-seven".