22769620191 has 12 divisors (see below), whose sum is σ = 34824125232. Its totient is φ = 14286820416.

The previous prime is 22769620189. The next prime is 22769620271. The reversal of 22769620191 is 19102696722.

22769620191 is a `hidden beast` number, since 2 + 2 + 7 + 6 + 9 + 620 + 19 + 1 = 666.

It is not a de Polignac number, because 22769620191 - 2¹ = 22769620189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22769621191) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74410371 + ... + 74410676.

It is an arithmetic number, because the mean of its divisors is an integer number (2902010436).

Almost surely, 2^22769620191 is an apocalyptic number.

22769620191 is a deficient number, since it is larger than the sum of its proper divisors (12054505041).

22769620191 is a wasteful number, since it uses less digits than its factorization.

22769620191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148821070 (or 148821067 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 22769620191 in words is "twenty-two billion, seven hundred sixty-nine million, six hundred twenty thousand, one hundred ninety-one".