164226229 has 2 divisors, whose sum is σ = 164226230. Its totient is φ = 164226228.

The previous prime is 164226203. The next prime is 164226247. The reversal of 164226229 is 922622461.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 156375025 + 7851204 = 12505^2 + 2802^2 .

It is a cyclic number.

It is not a de Polignac number, because 164226229 - 2¹⁵ = 164193461 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 164226194 and 164226203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (164226289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82113114 + 82113115.

It is an arithmetic number, because the mean of its divisors is an integer number (82113115).

Almost surely, 2^164226229 is an apocalyptic number.

It is an amenable number.

164226229 is a deficient number, since it is larger than the sum of its proper divisors (1).

164226229 is an equidigital number, since it uses as much as digits as its factorization.

164226229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 34.

The square root of 164226229 is about 12815.0781893830. The cubic root of 164226229 is about 547.6219409658.

The spelling of 164226229 in words is "one hundred sixty-four million, two hundred twenty-six thousand, two hundred twenty-nine".