22018480686 has 24 divisors (see below), whose sum is σ = 47713347864. Its totient is φ = 7338472080.

The previous prime is 22018480621. The next prime is 22018480709. The reversal of 22018480686 is 68608481022.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53941 + ... + 216671.

It is an arithmetic number, because the mean of its divisors is an integer number (1988056161).

Almost surely, 2^22018480686 is an apocalyptic number.

22018480686 is an abundant number, since it is smaller than the sum of its proper divisors (25694867178).

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

22018480686 is a wasteful number, since it uses less digits than its factorization.

22018480686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170256 (or 170253 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 45.

The spelling of 22018480686 in words is "twenty-two billion, eighteen million, four hundred eighty thousand, six hundred eighty-six".