22056006500 has 48 divisors (see below), whose sum is σ = 52549451136. Its totient is φ = 8020364000.

The previous prime is 22056006443. The next prime is 22056006517. The reversal of 22056006500 is 560065022.

It is a happy number.

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22056006500.

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, 1999592 + ... + 2010591.

It is an arithmetic number, because the mean of its divisors is an integer number (1094780232).

Almost surely, 2^22056006500 is an apocalyptic number.

22056006500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22056006500 is an abundant number, since it is smaller than the sum of its proper divisors (30493444636).

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

22056006500 is a wasteful number, since it uses less digits than its factorization.

22056006500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010213 (or 4010201 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

It can be divided in two parts, 2 and 2056006500, that added together give a palindrome (2056006502).

The spelling of 22056006500 in words is "twenty-two billion, fifty-six million, six thousand, five hundred".