606221010 has 80 divisors (see below), whose sum is σ = 1634048856. Its totient is φ = 161263872.

The previous prime is 606220999. The next prime is 606221029. The reversal of 606221010 is 10122606.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 143928009 + 462293001 = 11997^2 + 21501^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 499164 + ... + 500376.

Almost surely, 2^606221010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 606221010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817024428).

606221010 is an abundant number, since it is smaller than the sum of its proper divisors (1027827846).

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

606221010 is a wasteful number, since it uses less digits than its factorization.

606221010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849 (or 1840 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 606221010 is about 24621.5557997459. Note that the first 3 decimals coincide. The cubic root of 606221010 is about 846.3376500411.

Adding to 606221010 its reverse (10122606), we get a palindrome (616343616).

It can be divided in two parts, 6062 and 21010, that added together give a palindrome (27072).

The spelling of 606221010 in words is "six hundred six million, two hundred twenty-one thousand, ten".