609660822 has 8 divisors (see below), whose sum is σ = 1219321656. Its totient is φ = 203220272.

The previous prime is 609660781. The next prime is 609660827. The reversal of 609660822 is 228066906.

It is a sphenic number, since it is the product of 3 distinct primes.

609660822 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609660827) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50805063 + ... + 50805074.

It is an arithmetic number, because the mean of its divisors is an integer number (152415207).

Almost surely, 2^609660822 is an apocalyptic number.

609660822 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

609660822 is a wasteful number, since it uses less digits than its factorization.

609660822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101610142.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 609660822 is about 24691.3106578002. The cubic root of 609660822 is about 847.9353915340.

The spelling of 609660822 in words is "six hundred nine million, six hundred sixty thousand, eight hundred twenty-two".