22143505660 has 24 divisors (see below), whose sum is σ = 47089990080. Its totient is φ = 8745282624.

The previous prime is 22143505577. The next prime is 22143505687. The reversal of 22143505660 is 6650534122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7005859 + ... + 7009018.

It is an arithmetic number, because the mean of its divisors is an integer number (1962082920).

Almost surely, 2^22143505660 is an apocalyptic number.

22143505660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22143505660 is an abundant number, since it is smaller than the sum of its proper divisors (24946484420).

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

22143505660 is a wasteful number, since it uses less digits than its factorization.

22143505660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14014965 (or 14014963 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 22143505660 in words is "twenty-two billion, one hundred forty-three million, five hundred five thousand, six hundred sixty".