22252211 has 8 divisors (see below), whose sum is σ = 23467920. Its totient is φ = 21040992.

The previous prime is 22252189. The next prime is 22252213. The reversal of 22252211 is 11225222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22252211 - 2⁶ = 22252147 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 22252211.

It is not an unprimeable number, because it can be changed into a prime (22252213) 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 7 ways as a sum of consecutive naturals, for example, 15521 + ... + 16893.

It is an arithmetic number, because the mean of its divisors is an integer number (2933490).

Almost surely, 2^22252211 is an apocalyptic number.

22252211 is a deficient number, since it is larger than the sum of its proper divisors (1215709).

22252211 is a wasteful number, since it uses less digits than its factorization.

22252211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245.

The product of its digits is 160, while the sum is 17.

The square root of 22252211 is about 4717.2249257376. The cubic root of 22252211 is about 281.2706324946.

Adding to 22252211 its reverse (11225222), we get a palindrome (33477433).

It can be divided in two parts, 2225221 and 1, that added together give a palindrome (2225222).

The spelling of 22252211 in words is "twenty-two million, two hundred fifty-two thousand, two hundred eleven".