641222242332210 has 640 divisors, whose sum is σ = 2164090908672000. Its totient is φ = 132346783457280.

The previous prime is 641222242332179. The next prime is 641222242332233. The reversal of 641222242332210 is 12233242222146.

641222242332210 is a `hidden beast` number, since 6 + 4 + 1 + 2 + 2 + 2 + 2 + 423 + 3 + 221 + 0 = 666.

It is a super-2 number, since 2×641222242332210² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 6244869651 + ... + 6244972329.

It is an arithmetic number, because the mean of its divisors is an integer number (3381392044800).

Almost surely, 2^{641222242332210} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 641222242332210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1082045454336000).

641222242332210 is an abundant number, since it is smaller than the sum of its proper divisors (1522868666339790).

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

641222242332210 is a wasteful number, since it uses less digits than its factorization.

641222242332210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103388 (or 103379 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 36.

Adding to 641222242332210 its reverse (12233242222146), we get a palindrome (653455484554356).

The spelling of 641222242332210 in words is "six hundred forty-one trillion, two hundred twenty-two billion, two hundred forty-two million, three hundred thirty-two thousand, two hundred ten".