22150517064420 has 24 divisors (see below), whose sum is σ = 62021447780544. Its totient is φ = 5906804550496.

The previous prime is 22150517064341. The next prime is 22150517064427. The reversal of 22150517064420 is 2446071505122.

It is a super-2 number, since 2×22150517064420² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22150517064427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184587642144 + ... + 184587642263.

It is an arithmetic number, because the mean of its divisors is an integer number (2584226990856).

Almost surely, 2^{22150517064420} is an apocalyptic number.

22150517064420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22150517064420 is an abundant number, since it is smaller than the sum of its proper divisors (39870930716124).

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

22150517064420 is a wasteful number, since it uses less digits than its factorization.

22150517064420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369175284419 (or 369175284417 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

Adding to 22150517064420 its reverse (2446071505122), we get a palindrome (24596588569542).

The spelling of 22150517064420 in words is "twenty-two trillion, one hundred fifty billion, five hundred seventeen million, sixty-four thousand, four hundred twenty".