22214242 has 8 divisors (see below), whose sum is σ = 33349932. Its totient is φ = 11097600.

The previous prime is 22214233. The next prime is 22214263. The reversal of 22214242 is 24241222.

It can be written as a sum of positive squares in 2 ways, for example, as 20894041 + 1320201 = 4571^2 + 1149^2 .

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

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, 1359 + ... + 6802.

Almost surely, 2^22214242 is an apocalyptic number.

22214242 is a deficient number, since it is larger than the sum of its proper divisors (11135690).

22214242 is a wasteful number, since it uses less digits than its factorization.

22214242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9524.

The product of its digits is 512, while the sum is 19.

The square root of 22214242 is about 4713.1987015190. The cubic root of 22214242 is about 281.1105638375.

Adding to 22214242 its reverse (24241222), we get a palindrome (46455464).

The spelling of 22214242 in words is "twenty-two million, two hundred fourteen thousand, two hundred forty-two".