20122222207 has 2 divisors, whose sum is σ = 20122222208. Its totient is φ = 20122222206.

The previous prime is 20122222201. The next prime is 20122222217. The reversal of 20122222207 is 70222222102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122222207 - 2¹¹ = 20122220159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122222201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061111103 + 10061111104.

It is an arithmetic number, because the mean of its divisors is an integer number (10061111104).

Almost surely, 2^20122222207 is an apocalyptic number.

20122222207 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122222207 is an equidigital number, since it uses as much as digits as its factorization.

20122222207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 22.

Adding to 20122222207 its reverse (70222222102), we get a palindrome (90344444309).

The spelling of 20122222207 in words is "twenty billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred seven".