504220225 has 12 divisors (see below), whose sum is σ = 634567024. Its totient is φ = 397354320.

The previous prime is 504220219. The next prime is 504220243. The reversal of 504220225 is 522022405.

It is a happy number.

It is not a de Polignac number, because 504220225 - 2⁷ = 504220097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 504220196 and 504220205.

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 11 ways as a sum of consecutive naturals, for example, 148839 + ... + 152188.

Almost surely, 2^504220225 is an apocalyptic number.

It is an amenable number.

504220225 is a deficient number, since it is larger than the sum of its proper divisors (130346799).

504220225 is a wasteful number, since it uses less digits than its factorization.

504220225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301104 (or 301099 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 504220225 is about 22454.8485855505. The cubic root of 504220225 is about 795.9273357951.

The spelling of 504220225 in words is "five hundred four million, two hundred twenty thousand, two hundred twenty-five".