22207 has 4 divisors (see below), whose sum is σ = 22680. Its totient is φ = 21736.

The previous prime is 22193. The next prime is 22229. The reversal of 22207 is 70222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70222 = 2 ⋅35111.

It is a cyclic number.

It is not a de Polignac number, because 22207 - 2⁷ = 22079 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 4 and base 16.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157 + ... + 262.

It is an arithmetic number, because the mean of its divisors is an integer number (5670).

2²²²⁰⁷ is an apocalyptic number.

22207 is a deficient number, since it is larger than the sum of its proper divisors (473).

22207 is an equidigital number, since it uses as much as digits as its factorization.

22207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 56, while the sum is 13.

The square root of 22207 is about 149.0201328680. The cubic root of 22207 is about 28.1080012507.

Adding to 22207 its reverse (70222), we get a palindrome (92429).

It can be divided in two parts, 22 and 207, that multiplied together give a palindrome (4554).

The spelling of 22207 in words is "twenty-two thousand, two hundred seven", and thus it is an iban number.