604512220 has 48 divisors (see below), whose sum is σ = 1426582080. Its totient is φ = 213497856.

The previous prime is 604512217. The next prime is 604512239. The reversal of 604512220 is 22215406.

It is a junction number, because it is equal to n+sod(n) for n = 604512191 and 604512200.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 44565 + ... + 56524.

It is an arithmetic number, because the mean of its divisors is an integer number (29720460).

Almost surely, 2^604512220 is an apocalyptic number.

It is an amenable number.

604512220 is an abundant number, since it is smaller than the sum of its proper divisors (822069860).

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

604512220 is a wasteful number, since it uses less digits than its factorization.

604512220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101134 (or 101132 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 604512220 is about 24586.8302145681. The cubic root of 604512220 is about 845.5416948462.

Adding to 604512220 its reverse (22215406), we get a palindrome (626727626).

The spelling of 604512220 in words is "six hundred four million, five hundred twelve thousand, two hundred twenty".