605622220 has 24 divisors (see below), whose sum is σ = 1453493664. Its totient is φ = 207641856.

The previous prime is 605622211. The next prime is 605622239. The reversal of 605622220 is 22226506.

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 7 ways as a sum of consecutive naturals, for example, 2162797 + ... + 2163076.

It is an arithmetic number, because the mean of its divisors is an integer number (60562236).

Almost surely, 2^605622220 is an apocalyptic number.

It is an amenable number.

605622220 is an abundant number, since it is smaller than the sum of its proper divisors (847871444).

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

605622220 is a wasteful number, since it uses less digits than its factorization.

605622220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4325889 (or 4325887 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 605622220 is about 24609.3929222157. The cubic root of 605622220 is about 846.0589038081.

Adding to 605622220 its reverse (22226506), we get a palindrome (627848726).

The spelling of 605622220 in words is "six hundred five million, six hundred twenty-two thousand, two hundred twenty".