22054341324520 has 64 divisors (see below), whose sum is σ = 52569279864720. Its totient is φ = 8298377478144.

The previous prime is 22054341324479. The next prime is 22054341324527. The reversal of 22054341324520 is 2542314345022.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 13505933701764 + 8548407622756 = 3675042^2 + 2923766^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22054341324520.

It is not an unprimeable number, because it can be changed into a prime (22054341324527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7384357 + ... + 9931636.

Almost surely, 2^{22054341324520} is an apocalyptic number.

22054341324520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22054341324520 is an abundant number, since it is smaller than the sum of its proper divisors (30514938540200).

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

22054341324520 is a wasteful number, since it uses less digits than its factorization.

22054341324520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17317894 (or 17317890 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 22054341324520 its reverse (2542314345022), we get a palindrome (24596655669542).

The spelling of 22054341324520 in words is "twenty-two trillion, fifty-four billion, three hundred forty-one million, three hundred twenty-four thousand, five hundred twenty".