22012220204 has 24 divisors (see below), whose sum is σ = 42915074160. Its totient is φ = 9809158464.

The previous prime is 22012220147. The next prime is 22012220207. The reversal of 22012220204 is 40202221022.

It is not an unprimeable number, because it can be changed into a prime (22012220207) 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, 7296974 + ... + 7299989.

It is an arithmetic number, because the mean of its divisors is an integer number (1788128090).

Almost surely, 2^22012220204 is an apocalyptic number.

It is an amenable number.

22012220204 is a deficient number, since it is larger than the sum of its proper divisors (20902853956).

22012220204 is a wasteful number, since it uses less digits than its factorization.

22012220204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14597009 (or 14597007 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22012220204 its reverse (40202221022), we get a palindrome (62214441226).

The spelling of 22012220204 in words is "twenty-two billion, twelve million, two hundred twenty thousand, two hundred four".