22218200204 has 12 divisors (see below), whose sum is σ = 38882987304. Its totient is φ = 11108775264.

The previous prime is 22218200177. The next prime is 22218200231. The reversal of 22218200204 is 40200281222.

It is an interprime number because it is at equal distance from previous prime (22218200177) and next prime (22218200231).

It is a super-3 number, since 3×22218200204³ (a number of 32 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22218200204.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139079 + ... + 252545.

It is an arithmetic number, because the mean of its divisors is an integer number (3240248942).

Almost surely, 2^22218200204 is an apocalyptic number.

It is an amenable number.

22218200204 is a deficient number, since it is larger than the sum of its proper divisors (16664787100).

22218200204 is a wasteful number, since it uses less digits than its factorization.

22218200204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162424 (or 162422 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22218200204 its reverse (40200281222), we get a palindrome (62418481426).

The spelling of 22218200204 in words is "twenty-two billion, two hundred eighteen million, two hundred thousand, two hundred four".