546220225 has 6 divisors (see below), whose sum is σ = 677313110. Its totient is φ = 436976160.

The previous prime is 546220223. The next prime is 546220231. The reversal of 546220225 is 522022645.

It can be written as a sum of positive squares in 3 ways, for example, as 41049649 + 505170576 = 6407^2 + 22476^2 .

It is not a de Polignac number, because 546220225 - 2¹ = 546220223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 546220193 and 546220202.

It is not an unprimeable number, because it can be changed into a prime (546220223) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 10924380 + ... + 10924429.

Almost surely, 2^546220225 is an apocalyptic number.

It is an amenable number.

546220225 is a deficient number, since it is larger than the sum of its proper divisors (131092885).

546220225 is a wasteful number, since it uses less digits than its factorization.

546220225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21848819 (or 21848814 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 546220225 is about 23371.3547959890. The cubic root of 546220225 is about 817.4400757854.

The spelling of 546220225 in words is "five hundred forty-six million, two hundred twenty thousand, two hundred twenty-five".