182427223225 has 27 divisors (see below), whose sum is σ = 244986309549. Its totient is φ = 134694986400.

The previous prime is 182427223211. The next prime is 182427223267. The reversal of 182427223225 is 522322724281.

It is a happy number.

The square root of 182427223225 is 427115.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 47020886649 + 135406336576 = 216843^2 + 367976^2 .

It is a de Polignac number, because none of the positive numbers 2^k-182427223225 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 27759190 + ... + 27765760.

Almost surely, 2^182427223225 is an apocalyptic number.

182427223225 is the 427115-th square number.

182427223225 is the 213558-th centered octagonal number.

It is an amenable number.

182427223225 is a deficient number, since it is larger than the sum of its proper divisors (62559086324).

182427223225 is an frugal number, since it uses more digits than its factorization.

182427223225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13178 (or 6589 counting only the distinct ones).

The product of its digits is 215040, while the sum is 40.

The spelling of 182427223225 in words is "one hundred eighty-two billion, four hundred twenty-seven million, two hundred twenty-three thousand, two hundred twenty-five".