22203242 has 8 divisors (see below), whose sum is σ = 33761316. Its totient is φ = 10949472.

The previous prime is 22203239. The next prime is 22203253. The reversal of 22203242 is 24230222.

It can be written as a sum of positive squares in 2 ways, for example, as 22174681 + 28561 = 4709^2 + 169^2 .

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 22203242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75893 + ... + 76184.

Almost surely, 2^22203242 is an apocalyptic number.

22203242 is a deficient number, since it is larger than the sum of its proper divisors (11558074).

22203242 is a wasteful number, since it uses less digits than its factorization.

22203242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152152.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22203242 is about 4712.0316212861. The cubic root of 22203242 is about 281.0641562709.

Adding to 22203242 its reverse (24230222), we get a palindrome (46433464).

The spelling of 22203242 in words is "twenty-two million, two hundred three thousand, two hundred forty-two".