22004040002 has 32 divisors (see below), whose sum is σ = 38979615744. Its totient is φ = 9116352000.

The previous prime is 22004039957. The next prime is 22004040013. The reversal of 22004040002 is 20004040022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 387002 + ... + 440202.

It is an arithmetic number, because the mean of its divisors is an integer number (1218112992).

Almost surely, 2^22004040002 is an apocalyptic number.

22004040002 is a deficient number, since it is larger than the sum of its proper divisors (16975575742).

22004040002 is a wasteful number, since it uses less digits than its factorization.

22004040002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54194.

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22004040002 its reverse (20004040022), we get a palindrome (42008080024).

The spelling of 22004040002 in words is "twenty-two billion, four million, forty thousand, two".