22671717252352 has 432 divisors, whose sum is σ = 54852362772480. Its totient is φ = 9155813621760.

The previous prime is 22671717252263. The next prime is 22671717252407. The reversal of 22671717252352 is 25325271717622.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22671717252352.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11184861963 + ... + 11184863989.

Almost surely, 2^{22671717252352} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22671717252352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27426181386240).

22671717252352 is an abundant number, since it is smaller than the sum of its proper divisors (32180645520128).

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

22671717252352 is an equidigital number, since it uses as much as digits as its factorization.

22671717252352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2203 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 52.

Adding to 22671717252352 its reverse (25325271717622), we get a palindrome (47996988969974).

The spelling of 22671717252352 in words is "twenty-two trillion, six hundred seventy-one billion, seven hundred seventeen million, two hundred fifty-two thousand, three hundred fifty-two".