22224111 has 32 divisors (see below), whose sum is σ = 36814848. Its totient is φ = 11612160.

The previous prime is 22224109. The next prime is 22224113. The reversal of 22224111 is 11142222.

It is an interprime number because it is at equal distance from previous prime (22224109) and next prime (22224113).

It is not a de Polignac number, because 22224111 - 2¹ = 22224109 is a prime.

It is a super-2 number, since 2×22224111² = 987822219480642, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34351 + ... + 34991.

It is an arithmetic number, because the mean of its divisors is an integer number (1150464).

Almost surely, 2^22224111 is an apocalyptic number.

22224111 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

22224111 is a deficient number, since it is larger than the sum of its proper divisors (14590737).

22224111 is a wasteful number, since it uses less digits than its factorization.

22224111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 791.

The product of its digits is 64, while the sum is 15.

The square root of 22224111 is about 4714.2455387898. The cubic root of 22224111 is about 281.1521868260.

Adding to 22224111 its reverse (11142222), we get a palindrome (33366333).

The spelling of 22224111 in words is "twenty-two million, two hundred twenty-four thousand, one hundred eleven".