22201307 has 2 divisors, whose sum is σ = 22201308. Its totient is φ = 22201306.

The previous prime is 22201297. The next prime is 22201331. The reversal of 22201307 is 70310222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22201307 - 2⁶ = 22201243 is a prime.

It is not a weakly prime, because it can be changed into another prime (22201807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11100653 + 11100654.

It is an arithmetic number, because the mean of its divisors is an integer number (11100654).

Almost surely, 2^22201307 is an apocalyptic number.

22201307 is a deficient number, since it is larger than the sum of its proper divisors (1).

22201307 is an equidigital number, since it uses as much as digits as its factorization.

22201307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22201307 is about 4711.8262913652. The cubic root of 22201307 is about 281.0559911729.

Adding to 22201307 its reverse (70310222), we get a palindrome (92511529).

The spelling of 22201307 in words is "twenty-two million, two hundred one thousand, three hundred seven".