22101680057244 has 24 divisors (see below), whose sum is σ = 51576760934160. Its totient is φ = 7366344666624.

The previous prime is 22101680057227. The next prime is 22101680057267. The reversal of 22101680057244 is 44275008610122.

It is a super-2 number, since 2×22101680057244² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22101680057196 and 22101680057205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110147979 + ... + 110348450.

It is an arithmetic number, because the mean of its divisors is an integer number (2149031705590).

Almost surely, 2^{22101680057244} is an apocalyptic number.

It is an amenable number.

22101680057244 is an abundant number, since it is smaller than the sum of its proper divisors (29475080876916).

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

22101680057244 is a wasteful number, since it uses less digits than its factorization.

22101680057244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220504789 (or 220504787 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

Adding to 22101680057244 its reverse (44275008610122), we get a palindrome (66376688667366).

The spelling of 22101680057244 in words is "twenty-two trillion, one hundred one billion, six hundred eighty million, fifty-seven thousand, two hundred forty-four".