163229401 has 2 divisors, whose sum is σ = 163229402. Its totient is φ = 163229400.

The previous prime is 163229383. The next prime is 163229431. The reversal of 163229401 is 104922361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 86211225 + 77018176 = 9285^2 + 8776^2 .

It is an emirp because it is prime and its reverse (104922361) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 163229401 - 2⁹ = 163228889 is a prime.

It is a super-3 number, since 3×163229401³ (a number of 26 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 163229401.

It is not a weakly prime, because it can be changed into another prime (163229431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81614700 + 81614701.

It is an arithmetic number, because the mean of its divisors is an integer number (81614701).

Almost surely, 2^163229401 is an apocalyptic number.

It is an amenable number.

163229401 is a deficient number, since it is larger than the sum of its proper divisors (1).

163229401 is an equidigital number, since it uses as much as digits as its factorization.

163229401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 163229401 is about 12776.1262125889. The cubic root of 163229401 is about 546.5116978858.

The spelling of 163229401 in words is "one hundred sixty-three million, two hundred twenty-nine thousand, four hundred one".