22385129386 has 4 divisors (see below), whose sum is σ = 33577694082. Its totient is φ = 11192564692.

The previous prime is 22385129383. The next prime is 22385129399. The reversal of 22385129386 is 68392158322.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16895060361 + 5490069025 = 129981^2 + 74095^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22385129383) 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 as a sum of consecutive naturals, namely, 5596282345 + ... + 5596282348.

Almost surely, 2^22385129386 is an apocalyptic number.

22385129386 is a deficient number, since it is larger than the sum of its proper divisors (11192564696).

22385129386 is a wasteful number, since it uses less digits than its factorization.

22385129386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11192564695.

The product of its digits is 1244160, while the sum is 49.

The spelling of 22385129386 in words is "twenty-two billion, three hundred eighty-five million, one hundred twenty-nine thousand, three hundred eighty-six".