22004323004 has 12 divisors (see below), whose sum is σ = 38512785528. Its totient is φ = 11000670000.

The previous prime is 22004322917. The next prime is 22004323009. The reversal of 22004323004 is 40032340022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004323009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 339347 + ... + 398954.

It is an arithmetic number, because the mean of its divisors is an integer number (3209398794).

Almost surely, 2^22004323004 is an apocalyptic number.

It is an amenable number.

22004323004 is a deficient number, since it is larger than the sum of its proper divisors (16508462524).

22004323004 is a wasteful number, since it uses less digits than its factorization.

22004323004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 745756 (or 745754 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

Adding to 22004323004 its reverse (40032340022), we get a palindrome (62036663026).

The spelling of 22004323004 in words is "twenty-two billion, four million, three hundred twenty-three thousand, four".