194422132308 has 24 divisors (see below), whose sum is σ = 454091682240. Its totient is φ = 64744514560.

The previous prime is 194422132279. The next prime is 194422132309. The reversal of 194422132308 is 803231224491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194422132309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7844973 + ... + 7869716.

It is an arithmetic number, because the mean of its divisors is an integer number (18920486760).

Almost surely, 2^194422132308 is an apocalyptic number.

It is an amenable number.

194422132308 is an abundant number, since it is smaller than the sum of its proper divisors (259669549932).

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

194422132308 is a wasteful number, since it uses less digits than its factorization.

194422132308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15715727 (or 15715725 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

Adding to 194422132308 its reverse (803231224491), we get a palindrome (997653356799).

The spelling of 194422132308 in words is "one hundred ninety-four billion, four hundred twenty-two million, one hundred thirty-two thousand, three hundred eight".