22002002218 has 8 divisors (see below), whose sum is σ = 37717718112. Its totient is φ = 9429429516.

The previous prime is 22002002207. The next prime is 22002002219. The reversal of 22002002218 is 81220020022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 22002002195 and 22002002204.

It is not an unprimeable number, because it can be changed into a prime (22002002219) 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, 785785780 + ... + 785785807.

It is an arithmetic number, because the mean of its divisors is an integer number (4714714764).

Almost surely, 2^22002002218 is an apocalyptic number.

22002002218 is a deficient number, since it is larger than the sum of its proper divisors (15715715894).

22002002218 is a wasteful number, since it uses less digits than its factorization.

22002002218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571571596.

The product of its (nonzero) digits is 256, while the sum is 19.

The spelling of 22002002218 in words is "twenty-two billion, two million, two thousand, two hundred eighteen".