22630211 has 4 divisors (see below), whose sum is σ = 22640424. Its totient is φ = 22620000.

The previous prime is 22630189. The next prime is 22630241. The reversal of 22630211 is 11203622.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22630211 - 2⁶ = 22630147 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 22630211.

It is not an unprimeable number, because it can be changed into a prime (22630241) 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 3 ways as a sum of consecutive naturals, for example, 230 + ... + 6731.

It is an arithmetic number, because the mean of its divisors is an integer number (5660106).

Almost surely, 2^22630211 is an apocalyptic number.

22630211 is a deficient number, since it is larger than the sum of its proper divisors (10213).

22630211 is an equidigital number, since it uses as much as digits as its factorization.

22630211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 22630211 is about 4757.1221342320. The cubic root of 22630211 is about 282.8543536706.

Adding to 22630211 its reverse (11203622), we get a palindrome (33833833).

The spelling of 22630211 in words is "twenty-two million, six hundred thirty thousand, two hundred eleven".