22004312002 has 16 divisors (see below), whose sum is σ = 33188216832. Its totient is φ = 10941604480.

The previous prime is 22004311999. The next prime is 22004312021. The reversal of 22004312002 is 20021340022.

It is a super-2 number, since 2×22004312002² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2341938 + ... + 2351314.

It is an arithmetic number, because the mean of its divisors is an integer number (2074263552).

Almost surely, 2^22004312002 is an apocalyptic number.

22004312002 is a deficient number, since it is larger than the sum of its proper divisors (11183904830).

22004312002 is a wasteful number, since it uses less digits than its factorization.

22004312002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 22004312002 its reverse (20021340022), we get a palindrome (42025652024).

The spelling of 22004312002 in words is "twenty-two billion, four million, three hundred twelve thousand, two".