22190217705 has 80 divisors (see below), whose sum is σ = 42446257920. Its totient is φ = 11058031872.

The previous prime is 22190217697. The next prime is 22190217713. The reversal of 22190217705 is 50771209122.

It is an interprime number because it is at equal distance from previous prime (22190217697) and next prime (22190217713).

It is not a de Polignac number, because 22190217705 - 2³ = 22190217697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22190217705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 541984 + ... + 581486.

It is an arithmetic number, because the mean of its divisors is an integer number (530578224).

Almost surely, 2^22190217705 is an apocalyptic number.

It is an amenable number.

22190217705 is a deficient number, since it is larger than the sum of its proper divisors (20256040215).

22190217705 is a wasteful number, since it uses less digits than its factorization.

22190217705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39612 (or 39603 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The spelling of 22190217705 in words is "twenty-two billion, one hundred ninety million, two hundred seventeen thousand, seven hundred five".