548262225 has 81 divisors (see below), whose sum is σ = 1147470363. Its totient is φ = 249510240.

The previous prime is 548262217. The next prime is 548262251. The reversal of 548262225 is 522262845.

The square root of 548262225 is 23415.

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

548262225 is a `hidden beast` number, since 5 + 4 + 8 + 2 + 622 + 25 = 666.

It can be written as a sum of positive squares in only one way, i.e., 197374401 + 350887824 = 14049^2 + 18732^2 .

It is not a de Polignac number, because 548262225 - 2³ = 548262217 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 548262225.

It is an unprimeable number.

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 80 ways as a sum of consecutive naturals, for example, 2458464 + ... + 2458686.

Almost surely, 2^548262225 is an apocalyptic number.

548262225 is the 23415-th square number.

548262225 is the 11708-th centered octagonal number.

It is an amenable number.

548262225 is an abundant number, since it is smaller than the sum of its proper divisors (599208138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

548262225 is a wasteful number, since it uses less digits than its factorization.

548262225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476 (or 238 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The cubic root of 548262225 is about 818.4574535119.

Multiplying 548262225 by its sum of digits (36), we get a square (19737440100 = 140490²).

The spelling of 548262225 in words is "five hundred forty-eight million, two hundred sixty-two thousand, two hundred twenty-five".