22061632132544 has 112 divisors (see below), whose sum is σ = 45826426211328. Its totient is φ = 10528977159168.

The previous prime is 22061632132531. The next prime is 22061632132601. The reversal of 22061632132544 is 44523123616022.

It is a super-2 number, since 2×22061632132544² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26209487 + ... + 27038129.

It is an arithmetic number, because the mean of its divisors is an integer number (409164519744).

Almost surely, 2^{22061632132544} 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 22061632132544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22913213105664).

22061632132544 is an abundant number, since it is smaller than the sum of its proper divisors (23764794078784).

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

22061632132544 is a wasteful number, since it uses less digits than its factorization.

22061632132544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828922 (or 828912 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

Adding to 22061632132544 its reverse (44523123616022), we get a palindrome (66584755748566).

The spelling of 22061632132544 in words is "twenty-two trillion, sixty-one billion, six hundred thirty-two million, one hundred thirty-two thousand, five hundred forty-four".