22040024646 has 16 divisors (see below), whose sum is σ = 46672993584. Its totient is φ = 6914517504.

The previous prime is 22040024639. The next prime is 22040024651. The reversal of 22040024646 is 64642004022.

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, 108039235 + ... + 108039438.

It is an arithmetic number, because the mean of its divisors is an integer number (2917062099).

Almost surely, 2^22040024646 is an apocalyptic number.

22040024646 is an abundant number, since it is smaller than the sum of its proper divisors (24632968938).

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

22040024646 is a wasteful number, since it uses less digits than its factorization.

22040024646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216078695.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 22040024646 its reverse (64642004022), we get a palindrome (86682028668).

The spelling of 22040024646 in words is "twenty-two billion, forty million, twenty-four thousand, six hundred forty-six".