346223161 has 2 divisors, whose sum is σ = 346223162. Its totient is φ = 346223160.

The previous prime is 346223123. The next prime is 346223177. The reversal of 346223161 is 161322643.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263867536 + 82355625 = 16244^2 + 9075^2 .

It is an emirp because it is prime and its reverse (161322643) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 346223161 - 2⁹ = 346222649 is a prime.

It is not a weakly prime, because it can be changed into another prime (346223561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 173111580 + 173111581.

It is an arithmetic number, because the mean of its divisors is an integer number (173111581).

Almost surely, 2^346223161 is an apocalyptic number.

It is an amenable number.

346223161 is a deficient number, since it is larger than the sum of its proper divisors (1).

346223161 is an equidigital number, since it uses as much as digits as its factorization.

346223161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 28.

The square root of 346223161 is about 18607.0728756567. The cubic root of 346223161 is about 702.1857941464.

The spelling of 346223161 in words is "three hundred forty-six million, two hundred twenty-three thousand, one hundred sixty-one".