650566422 has 144 divisors (see below), whose sum is σ = 1659840000. Its totient is φ = 183474720.

The previous prime is 650566381. The next prime is 650566429. The reversal of 650566422 is 224665056.

650566422 is a `hidden beast` number, since 6 + 5 + 0 + 5 + 6 + 642 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650566429) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3269079 + ... + 3269277.

Almost surely, 2^650566422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 650566422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (829920000).

650566422 is an abundant number, since it is smaller than the sum of its proper divisors (1009273578).

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

650566422 is a wasteful number, since it uses less digits than its factorization.

650566422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 313 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 650566422 is about 25506.2035983405. The cubic root of 650566422 is about 866.4906512040.

It can be divided in two parts, 6505 and 66422, that added together give a palindrome (72927).

The spelling of 650566422 in words is "six hundred fifty million, five hundred sixty-six thousand, four hundred twenty-two".