662785228 has 24 divisors (see below), whose sum is σ = 1337307552. Its totient is φ = 281535744.

The previous prime is 662785219. The next prime is 662785229. The reversal of 662785228 is 822587266.

It is not an unprimeable number, because it can be changed into a prime (662785229) by changing a digit.

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, 101575 + ... + 107902.

It is an arithmetic number, because the mean of its divisors is an integer number (55721148).

Almost surely, 2^662785228 is an apocalyptic number.

It is an amenable number.

662785228 is an abundant number, since it is smaller than the sum of its proper divisors (674522324).

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

662785228 is a wasteful number, since it uses less digits than its factorization.

662785228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209601 (or 209599 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 662785228 is about 25744.6155147052. The cubic root of 662785228 is about 871.8817893092.

The spelling of 662785228 in words is "six hundred sixty-two million, seven hundred eighty-five thousand, two hundred twenty-eight".