342822161 has 6 divisors (see below), whose sum is σ = 376821186. Its totient is φ = 311656400.

The previous prime is 342822157. The next prime is 342822167. The reversal of 342822161 is 161228243.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 325441600 + 17380561 = 18040^2 + 4169^2 .

It is not a de Polignac number, because 342822161 - 2² = 342822157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (342822167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1416500 + ... + 1416741.

It is an arithmetic number, because the mean of its divisors is an integer number (62803531).

Almost surely, 2^342822161 is an apocalyptic number.

It is an amenable number.

342822161 is a deficient number, since it is larger than the sum of its proper divisors (33999025).

342822161 is a wasteful number, since it uses less digits than its factorization.

342822161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833263 (or 2833252 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

The square root of 342822161 is about 18515.4573532495. The cubic root of 342822161 is about 699.8790001740.

The spelling of 342822161 in words is "three hundred forty-two million, eight hundred twenty-two thousand, one hundred sixty-one".