22223124 has 72 divisors (see below), whose sum is σ = 70045248. Its totient is φ = 5771520.

The previous prime is 22223119. The next prime is 22223137. The reversal of 22223124 is 42132222.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 = 22223097 and 22223106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1237 + ... + 6780.

Almost surely, 2^22223124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22223124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35022624).

22223124 is an abundant number, since it is smaller than the sum of its proper divisors (47822124).

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

22223124 is a wasteful number, since it uses less digits than its factorization.

22223124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8045 (or 8040 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 22223124 is about 4714.1408549173. The cubic root of 22223124 is about 281.1480246600.

Adding to 22223124 its reverse (42132222), we get a palindrome (64355346).

The spelling of 22223124 in words is "twenty-two million, two hundred twenty-three thousand, one hundred twenty-four".