722002161650 has 96 divisors (see below), whose sum is σ = 1674805662720. Its totient is φ = 224970984000.

The previous prime is 722002161637. The next prime is 722002161653. The reversal of 722002161650 is 56161200227.

It is not an unprimeable number, because it can be changed into a prime (722002161653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13413491 + ... + 13467209.

It is an arithmetic number, because the mean of its divisors is an integer number (17445892320).

Almost surely, 2^722002161650 is an apocalyptic number.

722002161650 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

722002161650 is an abundant number, since it is smaller than the sum of its proper divisors (952803501070).

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

722002161650 is a wasteful number, since it uses less digits than its factorization.

722002161650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57240 (or 57235 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 722002161650 its reverse (56161200227), we get a palindrome (778163361877).

The spelling of 722002161650 in words is "seven hundred twenty-two billion, two million, one hundred sixty-one thousand, six hundred fifty".