609712220 has 24 divisors (see below), whose sum is σ = 1378888224. Its totient is φ = 225124416.

The previous prime is 609712217. The next prime is 609712249. The reversal of 609712220 is 22217906.

609712220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1172264 + ... + 1172783.

It is an arithmetic number, because the mean of its divisors is an integer number (57453676).

Almost surely, 2^609712220 is an apocalyptic number.

It is an amenable number.

609712220 is an abundant number, since it is smaller than the sum of its proper divisors (769176004).

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

609712220 is a wasteful number, since it uses less digits than its factorization.

609712220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345069 (or 2345067 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 609712220 is about 24692.3514473612. The cubic root of 609712220 is about 847.9592195145.

The spelling of 609712220 in words is "six hundred nine million, seven hundred twelve thousand, two hundred twenty".