22236207 has 16 divisors (see below), whose sum is σ = 34977792. Its totient is φ = 12296160.

The previous prime is 22236197. The next prime is 22236211. The reversal of 22236207 is 70263222.

It is not a de Polignac number, because 22236207 - 2⁴ = 22236191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22236257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16428 + ... + 17729.

It is an arithmetic number, because the mean of its divisors is an integer number (2186112).

Almost surely, 2^22236207 is an apocalyptic number.

22236207 is a deficient number, since it is larger than the sum of its proper divisors (12741585).

22236207 is a wasteful number, since it uses less digits than its factorization.

22236207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34198.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 22236207 is about 4715.5282842965. The cubic root of 22236207 is about 281.2031854920.

Adding to 22236207 its reverse (70263222), we get a palindrome (92499429).

The spelling of 22236207 in words is "twenty-two million, two hundred thirty-six thousand, two hundred seven".