22003165004 has 48 divisors (see below), whose sum is σ = 42830054400. Its totient is φ = 9843140736.

The previous prime is 22003164971. The next prime is 22003165007. The reversal of 22003165004 is 40056130022.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (22003165007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58424 + ... + 217760.

It is an arithmetic number, because the mean of its divisors is an integer number (892292800).

Almost surely, 2^22003165004 is an apocalyptic number.

It is an amenable number.

22003165004 is a deficient number, since it is larger than the sum of its proper divisors (20826889396).

22003165004 is a wasteful number, since it uses less digits than its factorization.

22003165004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159462 (or 159460 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 22003165004 its reverse (40056130022), we get a palindrome (62059295026).

The spelling of 22003165004 in words is "twenty-two billion, three million, one hundred sixty-five thousand, four".