22170124 has 6 divisors (see below), whose sum is σ = 38797724. Its totient is φ = 11085060.

The previous prime is 22170121. The next prime is 22170133. The reversal of 22170124 is 42107122.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22170121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2771262 + ... + 2771269.

Almost surely, 2^22170124 is an apocalyptic number.

It is an amenable number.

22170124 is a deficient number, since it is larger than the sum of its proper divisors (16627600).

22170124 is a wasteful number, since it uses less digits than its factorization.

22170124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542535 (or 5542533 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 22170124 is about 4708.5161144462. The cubic root of 22170124 is about 280.9243431362.

Adding to 22170124 its reverse (42107122), we get a palindrome (64277246).

The spelling of 22170124 in words is "twenty-two million, one hundred seventy thousand, one hundred twenty-four".