22255222007 has 2 divisors, whose sum is σ = 22255222008. Its totient is φ = 22255222006.

The previous prime is 22255221979. The next prime is 22255222037. The reversal of 22255222007 is 70022255222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22255222007 - 2¹² = 22255217911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22255222037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11127611003 + 11127611004.

It is an arithmetic number, because the mean of its divisors is an integer number (11127611004).

Almost surely, 2^22255222007 is an apocalyptic number.

22255222007 is a deficient number, since it is larger than the sum of its proper divisors (1).

22255222007 is an equidigital number, since it uses as much as digits as its factorization.

22255222007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11200, while the sum is 29.

Adding to 22255222007 its reverse (70022255222), we get a palindrome (92277477229).

The spelling of 22255222007 in words is "twenty-two billion, two hundred fifty-five million, two hundred twenty-two thousand, seven".