22104242 has 8 divisors (see below), whose sum is σ = 34598016. Its totient is φ = 10571572.

The previous prime is 22104227. The next prime is 22104253. The reversal of 22104242 is 24240122.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 22104242.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240218 + ... + 240309.

It is an arithmetic number, because the mean of its divisors is an integer number (4324752).

Almost surely, 2^22104242 is an apocalyptic number.

22104242 is a deficient number, since it is larger than the sum of its proper divisors (12493774).

22104242 is a wasteful number, since it uses less digits than its factorization.

22104242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480552.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 22104242 is about 4701.5148622545. The cubic root of 22104242 is about 280.6457967931.

Adding to 22104242 its reverse (24240122), we get a palindrome (46344364).

The spelling of 22104242 in words is "twenty-two million, one hundred four thousand, two hundred forty-two".