22207427213 has 4 divisors (see below), whose sum is σ = 22212214848. Its totient is φ = 22202639580.

The previous prime is 22207427201. The next prime is 22207427257. The reversal of 22207427213 is 31272470222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22207427213 - 2⁶ = 22207427149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22207427213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22207427273) 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, 2386853 + ... + 2396138.

It is an arithmetic number, because the mean of its divisors is an integer number (5553053712).

Almost surely, 2^22207427213 is an apocalyptic number.

It is an amenable number.

22207427213 is a deficient number, since it is larger than the sum of its proper divisors (4787635).

22207427213 is an equidigital number, since it uses as much as digits as its factorization.

22207427213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4787634.

The product of its (nonzero) digits is 18816, while the sum is 32.

Adding to 22207427213 its reverse (31272470222), we get a palindrome (53479897435).

The spelling of 22207427213 in words is "twenty-two billion, two hundred seven million, four hundred twenty-seven thousand, two hundred thirteen".