22191941475 has 108 divisors (see below), whose sum is σ = 43847412336. Its totient is φ = 10721040000.

The previous prime is 22191941467. The next prime is 22191941477. The reversal of 22191941475 is 57414919122.

22191941475 is a `hidden beast` number, since 2 + 2 + 1 + 91 + 94 + 1 + 475 = 666.

It is not a de Polignac number, because 22191941475 - 2³ = 22191941467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 22191941475.

It is not an unprimeable number, because it can be changed into a prime (22191941477) by changing a digit.

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 107 ways as a sum of consecutive naturals, for example, 8465665 + ... + 8468285.

Almost surely, 2^22191941475 is an apocalyptic number.

22191941475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22191941475 is a deficient number, since it is larger than the sum of its proper divisors (21655470861).

22191941475 is a wasteful number, since it uses less digits than its factorization.

22191941475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2970 (or 2951 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 22191941475 in words is "twenty-two billion, one hundred ninety-one million, nine hundred forty-one thousand, four hundred seventy-five".