22397666192 has 40 divisors (see below), whose sum is σ = 50125264992. Its totient is φ = 9581888000.

The previous prime is 22397666147. The next prime is 22397666197. The reversal of 22397666192 is 29166679322.

It is not an unprimeable number, because it can be changed into a prime (22397666197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3739934 + ... + 3745917.

Almost surely, 2^22397666192 is an apocalyptic number.

22397666192 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22397666192 is an abundant number, since it is smaller than the sum of its proper divisors (27727598800).

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

22397666192 is a wasteful number, since it uses less digits than its factorization.

22397666192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7485887 (or 7485881 counting only the distinct ones).

The product of its digits is 2939328, while the sum is 53.

The spelling of 22397666192 in words is "twenty-two billion, three hundred ninety-seven million, six hundred sixty-six thousand, one hundred ninety-two".