22211124 has 48 divisors (see below), whose sum is σ = 56203392. Its totient is φ = 6786432.

The previous prime is 22211099. The next prime is 22211131. The reversal of 22211124 is 42111222.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26577 + ... + 27399.

It is an arithmetic number, because the mean of its divisors is an integer number (1170904).

Almost surely, 2^22211124 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 22211124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28101696).

22211124 is an abundant number, since it is smaller than the sum of its proper divisors (33992268).

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

22211124 is a wasteful number, since it uses less digits than its factorization.

22211124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1014 counting only the distinct ones).

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

The square root of 22211124 is about 4712.8679166724. The cubic root of 22211124 is about 281.0974109579.

Adding to 22211124 its reverse (42111222), we get a palindrome (64322346).

The spelling of 22211124 in words is "twenty-two million, two hundred eleven thousand, one hundred twenty-four".