164225344 has 14 divisors (see below), whose sum is σ = 325884794. Its totient is φ = 82112640.

The previous prime is 164225339. The next prime is 164225371. The reversal of 164225344 is 443522461.

It can be written as a sum of positive squares in only one way, i.e., 160985344 + 3240000 = 12688^2 + 1800^2 .

It is a super-2 number, since 2×164225344² = 53939927223836672, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1282947 + ... + 1283074.

Almost surely, 2^164225344 is an apocalyptic number.

It is an amenable number.

164225344 is a deficient number, since it is larger than the sum of its proper divisors (161659450).

164225344 is an equidigital number, since it uses as much as digits as its factorization.

164225344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566033 (or 2566023 counting only the distinct ones).

The product of its digits is 23040, while the sum is 31.

The square root of 164225344 is about 12815.0436596993. The cubic root of 164225344 is about 547.6209572693.

The spelling of 164225344 in words is "one hundred sixty-four million, two hundred twenty-five thousand, three hundred forty-four".