22169242 has 16 divisors (see below), whose sum is σ = 34175232. Its totient is φ = 10780560.

The previous prime is 22169239. The next prime is 22169243. The reversal of 22169242 is 24296122.

It is a self number, because there is not a number n which added to its sum of digits gives 22169242.

It is not an unprimeable number, because it can be changed into a prime (22169243) 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 7 ways as a sum of consecutive naturals, for example, 16363 + ... + 17665.

It is an arithmetic number, because the mean of its divisors is an integer number (2135952).

Almost surely, 2^22169242 is an apocalyptic number.

22169242 is a deficient number, since it is larger than the sum of its proper divisors (12005990).

22169242 is a wasteful number, since it uses less digits than its factorization.

22169242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533.

The product of its digits is 3456, while the sum is 28.

The square root of 22169242 is about 4708.4224534338. The cubic root of 22169242 is about 280.9206177239.

The spelling of 22169242 in words is "twenty-two million, one hundred sixty-nine thousand, two hundred forty-two".