22110412520 has 64 divisors (see below), whose sum is σ = 58177595520. Its totient is φ = 7404413184.

The previous prime is 22110412487. The next prime is 22110412549. The reversal of 22110412520 is 2521401122.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 22110412492 and 22110412501.

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 15 ways as a sum of consecutive naturals, for example, 906167 + ... + 930246.

It is an arithmetic number, because the mean of its divisors is an integer number (909024930).

Almost surely, 2^22110412520 is an apocalyptic number.

22110412520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22110412520 is an abundant number, since it is smaller than the sum of its proper divisors (36067183000).

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

22110412520 is a wasteful number, since it uses less digits than its factorization.

22110412520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836474 (or 1836470 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 22110412520 its reverse (2521401122), we get a palindrome (24631813642).

The spelling of 22110412520 in words is "twenty-two billion, one hundred ten million, four hundred twelve thousand, five hundred twenty".