22103249452544 has 320 divisors, whose sum is σ = 49227569233920. Its totient is φ = 9849527009280.

The previous prime is 22103249452517. The next prime is 22103249452589. The reversal of 22103249452544 is 44525494230122.

It is a super-2 number, since 2×22103249452544² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25612107857 + ... + 25612108719.

It is an arithmetic number, because the mean of its divisors is an integer number (153836153856).

Almost surely, 2^{22103249452544} 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 22103249452544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24613784616960).

22103249452544 is an abundant number, since it is smaller than the sum of its proper divisors (27124319781376).

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

22103249452544 is a wasteful number, since it uses less digits than its factorization.

22103249452544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1801 (or 1785 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 47.

The spelling of 22103249452544 in words is "twenty-two trillion, one hundred three billion, two hundred forty-nine million, four hundred fifty-two thousand, five hundred forty-four".