23222211 has 8 divisors (see below), whose sum is σ = 31000320. Its totient is φ = 15462792.

The previous prime is 23222197. The next prime is 23222219. The reversal of 23222211 is 11222232.

It is a happy number.

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

It is not a de Polignac number, because 23222211 - 2⁵ = 23222179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23222219) 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, 1455 + ... + 6968.

It is an arithmetic number, because the mean of its divisors is an integer number (3875040).

Almost surely, 2^23222211 is an apocalyptic number.

23222211 is a deficient number, since it is larger than the sum of its proper divisors (7778109).

23222211 is an equidigital number, since it uses as much as digits as its factorization.

23222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9345.

The product of its digits is 96, while the sum is 15.

The square root of 23222211 is about 4818.9429338808. The cubic root of 23222211 is about 285.2996171924.

Adding to 23222211 its reverse (11222232), we get a palindrome (34444443).

The spelling of 23222211 in words is "twenty-three million, two hundred twenty-two thousand, two hundred eleven".