722650662 has 48 divisors (see below), whose sum is σ = 1668625920. Its totient is φ = 225501936.

The previous prime is 722650661. The next prime is 722650667. The reversal of 722650662 is 266056227.

722650662 is a `hidden beast` number, since 72 + 26 + 506 + 62 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722650661) 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 23 ways as a sum of consecutive naturals, for example, 889 + ... + 38027.

It is an arithmetic number, because the mean of its divisors is an integer number (34763040).

Almost surely, 2^722650662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722650662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (834312960).

722650662 is an abundant number, since it is smaller than the sum of its proper divisors (945975258).

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

722650662 is a wasteful number, since it uses less digits than its factorization.

722650662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37217 (or 37214 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 722650662 is about 26882.1625246184. The cubic root of 722650662 is about 897.3794809759.

It can be divided in two parts, 722 and 650662, that multiplied together give a palindrome (469777964).

The spelling of 722650662 in words is "seven hundred twenty-two million, six hundred fifty thousand, six hundred sixty-two".