164205226 has 4 divisors (see below), whose sum is σ = 246307842. Its totient is φ = 82102612.

The previous prime is 164205203. The next prime is 164205241. The reversal of 164205226 is 622502461.

164205226 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 159138225 + 5067001 = 12615^2 + 2251^2 .

It is a super-2 number, since 2×164205226² = 53926712491422152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164205194 and 164205203.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 41051305 + ... + 41051308.

Almost surely, 2^164205226 is an apocalyptic number.

164205226 is a deficient number, since it is larger than the sum of its proper divisors (82102616).

164205226 is an equidigital number, since it uses as much as digits as its factorization.

164205226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82102615.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 164205226 is about 12814.2586988089. The cubic root of 164205226 is about 547.5985947276.

Adding to 164205226 its reverse (622502461), we get a palindrome (786707687).

The spelling of 164205226 in words is "one hundred sixty-four million, two hundred five thousand, two hundred twenty-six".