22205124 has 24 divisors (see below), whose sum is σ = 57569120. Its totient is φ = 7401672.

The previous prime is 22205119. The next prime is 22205137. The reversal of 22205124 is 42150222.

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

It is a junction number, because it is equal to n+sod(n) for n = 22205097 and 22205106.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 102694 + ... + 102909.

Almost surely, 2^22205124 is an apocalyptic number.

It is an amenable number.

22205124 is an abundant number, since it is smaller than the sum of its proper divisors (35363996).

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

22205124 is a wasteful number, since it uses less digits than its factorization.

22205124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205616 (or 205608 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 22205124 is about 4712.2313186006. The cubic root of 22205124 is about 281.0720972704.

Adding to 22205124 its reverse (42150222), we get a palindrome (64355346).

The spelling of 22205124 in words is "twenty-two million, two hundred five thousand, one hundred twenty-four".