22241111 has 4 divisors (see below), whose sum is σ = 22272432. Its totient is φ = 22209792.

The previous prime is 22241047. The next prime is 22241113. The reversal of 22241111 is 11114222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22241111 - 2⁶ = 22241047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22241113) 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, 14570 + ... + 16023.

It is an arithmetic number, because the mean of its divisors is an integer number (5568108).

Almost surely, 2^22241111 is an apocalyptic number.

22241111 is a deficient number, since it is larger than the sum of its proper divisors (31321).

22241111 is an equidigital number, since it uses as much as digits as its factorization.

22241111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31320.

The product of its digits is 32, while the sum is 14.

The square root of 22241111 is about 4716.0482397872. The cubic root of 22241111 is about 281.2238562695.

Adding to 22241111 its reverse (11114222), we get a palindrome (33355333).

The spelling of 22241111 in words is "twenty-two million, two hundred forty-one thousand, one hundred eleven".