22200007 has 4 divisors (see below), whose sum is σ = 22295520. Its totient is φ = 22104496.

The previous prime is 22200001. The next prime is 22200023. The reversal of 22200007 is 70000222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22200007 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 22200007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22200001) 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, 47407 + ... + 47872.

It is an arithmetic number, because the mean of its divisors is an integer number (5573880).

Almost surely, 2^22200007 is an apocalyptic number.

22200007 is a deficient number, since it is larger than the sum of its proper divisors (95513).

22200007 is an equidigital number, since it uses as much as digits as its factorization.

22200007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95512.

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

The square root of 22200007 is about 4711.6883385895. The cubic root of 22200007 is about 281.0505053109.

Adding to 22200007 its reverse (70000222), we get a palindrome (92200229).

The spelling of 22200007 in words is "twenty-two million, two hundred thousand, seven".