22209209207 has 16 divisors (see below), whose sum is σ = 23624358912. Its totient is φ = 20806335360.

The previous prime is 22209209203. The next prime is 22209209213. The reversal of 22209209207 is 70290290222.

It is not a de Polignac number, because 22209209207 - 2² = 22209209203 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22209209203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4501532 + ... + 4506462.

It is an arithmetic number, because the mean of its divisors is an integer number (1476522432).

Almost surely, 2^22209209207 is an apocalyptic number.

22209209207 is a deficient number, since it is larger than the sum of its proper divisors (1415149705).

22209209207 is a wasteful number, since it uses less digits than its factorization.

22209209207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6118.

The product of its (nonzero) digits is 18144, while the sum is 35.

Adding to 22209209207 its reverse (70290290222), we get a palindrome (92499499429).

The spelling of 22209209207 in words is "twenty-two billion, two hundred nine million, two hundred nine thousand, two hundred seven".