22205122421544 has 48 divisors (see below), whose sum is σ = 60194198987520. Its totient is φ = 7394898149280.

The previous prime is 22205122421539. The next prime is 22205122421557. The reversal of 22205122421544 is 44512422150222.

22205122421544 is a `hidden beast` number, since 2 + 2 + 2 + 0 + 51 + 22 + 42 + 1 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 22205122421499 and 22205122421508.

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 11 ways as a sum of consecutive naturals, for example, 141782122 + ... + 141938649.

It is an arithmetic number, because the mean of its divisors is an integer number (1254045812240).

Almost surely, 2^{22205122421544} is an apocalyptic number.

22205122421544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22205122421544 is an abundant number, since it is smaller than the sum of its proper divisors (37989076565976).

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

22205122421544 is a wasteful number, since it uses less digits than its factorization.

22205122421544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283721870 (or 283721863 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 22205122421544 its reverse (44512422150222), we get a palindrome (66717544571766).

The spelling of 22205122421544 in words is "twenty-two trillion, two hundred five billion, one hundred twenty-two million, four hundred twenty-one thousand, five hundred forty-four".