22111124 has 12 divisors (see below), whose sum is σ = 44222304. Its totient is φ = 9476184.

The previous prime is 22111121. The next prime is 22111127. The reversal of 22111124 is 42111122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22111121) and next prime (22111127).

22111124 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22111099 and 22111108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394814 + ... + 394869.

It is an arithmetic number, because the mean of its divisors is an integer number (3685192).

Almost surely, 2^22111124 is an apocalyptic number.

It is an amenable number.

22111124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111124 is a wasteful number, since it uses less digits than its factorization.

22111124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789694 (or 789692 counting only the distinct ones).

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

The square root of 22111124 is about 4702.2466970588. The cubic root of 22111124 is about 280.6749194680.

Adding to 22111124 its reverse (42111122), we get a palindrome (64222246).

The spelling of 22111124 in words is "twenty-two million, one hundred eleven thousand, one hundred twenty-four".