22018802012 has 24 divisors (see below), whose sum is σ = 39658872960. Its totient is φ = 10692324720.

The previous prime is 22018801997. The next prime is 22018802059. The reversal of 22018802012 is 21020881022.

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, 559562 + ... + 597617.

It is an arithmetic number, because the mean of its divisors is an integer number (1652453040).

Almost surely, 2^22018802012 is an apocalyptic number.

It is an amenable number.

22018802012 is a deficient number, since it is larger than the sum of its proper divisors (17640070948).

22018802012 is a wasteful number, since it uses less digits than its factorization.

22018802012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157321 (or 1157319 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The spelling of 22018802012 in words is "twenty-two billion, eighteen million, eight hundred two thousand, twelve".