164174227 has 4 divisors (see below), whose sum is σ = 187627696. Its totient is φ = 140720760.

The previous prime is 164174221. The next prime is 164174237. The reversal of 164174227 is 722471461.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164174227 is a prime.

It is a super-2 number, since 2×164174227² = 53906353622095058, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164174192 and 164174201.

It is not an unprimeable number, because it can be changed into a prime (164174221) 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 3 ways as a sum of consecutive naturals, for example, 11726724 + ... + 11726737.

It is an arithmetic number, because the mean of its divisors is an integer number (46906924).

Almost surely, 2^164174227 is an apocalyptic number.

164174227 is a deficient number, since it is larger than the sum of its proper divisors (23453469).

164174227 is an equidigital number, since it uses as much as digits as its factorization.

164174227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23453468.

The product of its digits is 18816, while the sum is 34.

The square root of 164174227 is about 12813.0490906731. The cubic root of 164174227 is about 547.5641336296.

The spelling of 164174227 in words is "one hundred sixty-four million, one hundred seventy-four thousand, two hundred twenty-seven".