22377189197 has 4 divisors (see below), whose sum is σ = 24411479136. Its totient is φ = 20342899260.

The previous prime is 22377189157. The next prime is 22377189217. The reversal of 22377189197 is 79198177322.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22377189197 - 2¹⁰ = 22377188173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22377189137) 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 3 ways as a sum of consecutive naturals, for example, 1017144953 + ... + 1017144974.

It is an arithmetic number, because the mean of its divisors is an integer number (6102869784).

Almost surely, 2^22377189197 is an apocalyptic number.

It is an amenable number.

22377189197 is a deficient number, since it is larger than the sum of its proper divisors (2034289939).

22377189197 is a wasteful number, since it uses less digits than its factorization.

22377189197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034289938.

The product of its digits is 2667168, while the sum is 56.

The spelling of 22377189197 in words is "twenty-two billion, three hundred seventy-seven million, one hundred eighty-nine thousand, one hundred ninety-seven".