22203304212 has 24 divisors (see below), whose sum is σ = 52291897056. Its totient is φ = 7331931808.

The previous prime is 22203304199. The next prime is 22203304217. The reversal of 22203304212 is 21240330222.

It is a super-4 number, since 4×22203304212⁴ (a number of 42 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22203304217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8644863 + ... + 8647430.

It is an arithmetic number, because the mean of its divisors is an integer number (2178829044).

Almost surely, 2^22203304212 is an apocalyptic number.

It is an amenable number.

22203304212 is an abundant number, since it is smaller than the sum of its proper divisors (30088592844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22203304212 is a wasteful number, since it uses less digits than its factorization.

22203304212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17292407 (or 17292405 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 22203304212 its reverse (21240330222), we get a palindrome (43443634434).

The spelling of 22203304212 in words is "twenty-two billion, two hundred three million, three hundred four thousand, two hundred twelve".