345401227 has 2 divisors, whose sum is σ = 345401228. Its totient is φ = 345401226.

The previous prime is 345401149. The next prime is 345401233. The reversal of 345401227 is 722104543.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 345401227 - 2¹⁵ = 345368459 is a prime.

It is a super-2 number, since 2×345401227² = 238604015226211058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 345401195 and 345401204.

It is not a weakly prime, because it can be changed into another prime (345401267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172700613 + 172700614.

It is an arithmetic number, because the mean of its divisors is an integer number (172700614).

Almost surely, 2^345401227 is an apocalyptic number.

345401227 is a deficient number, since it is larger than the sum of its proper divisors (1).

345401227 is an equidigital number, since it uses as much as digits as its factorization.

345401227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 345401227 is about 18584.9731503707. The cubic root of 345401227 is about 701.6296906797.

The spelling of 345401227 in words is "three hundred forty-five million, four hundred one thousand, two hundred twenty-seven".