164467225 has 24 divisors (see below), whose sum is σ = 221360832. Its totient is φ = 120494400.

The previous prime is 164467213. The next prime is 164467229. The reversal of 164467225 is 522764461.

It is not a de Polignac number, because 164467225 - 2²¹ = 162370073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164467229) 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 23 ways as a sum of consecutive naturals, for example, 40644 + ... + 44506.

It is an arithmetic number, because the mean of its divisors is an integer number (9223368).

Almost surely, 2^164467225 is an apocalyptic number.

It is an amenable number.

164467225 is a deficient number, since it is larger than the sum of its proper divisors (56893607).

164467225 is a wasteful number, since it uses less digits than its factorization.

164467225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4017 (or 4012 counting only the distinct ones).

The product of its digits is 80640, while the sum is 37.

The square root of 164467225 is about 12824.4775722054. The cubic root of 164467225 is about 547.8896817821.

The spelling of 164467225 in words is "one hundred sixty-four million, four hundred sixty-seven thousand, two hundred twenty-five".