22182806040 has 32 divisors (see below), whose sum is σ = 66548418480. Its totient is φ = 5915414912.

The previous prime is 22182806003. The next prime is 22182806069. The reversal of 22182806040 is 4060828122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22182805992 and 22182806010.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92428239 + ... + 92428478.

Almost surely, 2^22182806040 is an apocalyptic number.

22182806040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22182806040 is an abundant number, since it is smaller than the sum of its proper divisors (44365612440).

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

22182806040 is a wasteful number, since it uses less digits than its factorization.

22182806040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184856731 (or 184856727 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The spelling of 22182806040 in words is "twenty-two billion, one hundred eighty-two million, eight hundred six thousand, forty".