182273494225 has 27 divisors (see below), whose sum is σ = 228510443313. Its totient is φ = 144228889440.

The previous prime is 182273494211. The next prime is 182273494229. The reversal of 182273494225 is 522494372281.

The square root of 182273494225 is 426935.

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 790678161 + 181482816064 = 28119^2 + 426008^2 .

It is not a de Polignac number, because 182273494225 - 2¹⁹ = 182272969937 is a prime.

It is a super-2 number, since 2×182273494225² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182273494229) by changing a digit.

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, 219871111 + ... + 219871939.

Almost surely, 2^182273494225 is an apocalyptic number.

182273494225 is the 426935-th square number.

182273494225 is the 213468-th centered octagonal number.

It is an amenable number.

182273494225 is a deficient number, since it is larger than the sum of its proper divisors (46236949088).

182273494225 is an frugal number, since it uses more digits than its factorization.

182273494225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 937 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 49.

Multiplying 182273494225 by its sum of digits (49), we get a square (8931401217025 = 2988545²).

The spelling of 182273494225 in words is "one hundred eighty-two billion, two hundred seventy-three million, four hundred ninety-four thousand, two hundred twenty-five".