605625220 has 12 divisors (see below), whose sum is σ = 1271813004. Its totient is φ = 242250080.

The previous prime is 605625203. The next prime is 605625233. The reversal of 605625220 is 22526506.

It can be written as a sum of positive squares in 2 ways, for example, as 238826116 + 366799104 = 15454^2 + 19152^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 15140611 + ... + 15140650.

It is an arithmetic number, because the mean of its divisors is an integer number (105984417).

Almost surely, 2^605625220 is an apocalyptic number.

It is an amenable number.

605625220 is an abundant number, since it is smaller than the sum of its proper divisors (666187784).

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

605625220 is a wasteful number, since it uses less digits than its factorization.

605625220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30281270 (or 30281268 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 605625220 is about 24609.4538744768. The cubic root of 605625220 is about 846.0603008135.

The spelling of 605625220 in words is "six hundred five million, six hundred twenty-five thousand, two hundred twenty".