162808229 has 2 divisors, whose sum is σ = 162808230. Its totient is φ = 162808228.

The previous prime is 162808223. The next prime is 162808267. The reversal of 162808229 is 922808261.

It is an a-pointer prime, because the next prime (162808267) can be obtained adding 162808229 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138532900 + 24275329 = 11770^2 + 4927^2 .

It is an emirp because it is prime and its reverse (922808261) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 162808229 - 2⁸ = 162807973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 162808192 and 162808201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (162808223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81404114 + 81404115.

It is an arithmetic number, because the mean of its divisors is an integer number (81404115).

Almost surely, 2^162808229 is an apocalyptic number.

It is an amenable number.

162808229 is a deficient number, since it is larger than the sum of its proper divisors (1).

162808229 is an equidigital number, since it uses as much as digits as its factorization.

162808229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 38.

The square root of 162808229 is about 12759.6327925219. The cubic root of 162808229 is about 546.0412481640.

The spelling of 162808229 in words is "one hundred sixty-two million, eight hundred eight thousand, two hundred twenty-nine".