22240322 has 8 divisors (see below), whose sum is σ = 35926716. Its totient is φ = 10264752.

The previous prime is 22240319. The next prime is 22240343. The reversal of 22240322 is 22304222.

It can be written as a sum of positive squares in 2 ways, for example, as 20802721 + 1437601 = 4561^2 + 1199^2 .

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 22240322.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 427673 + ... + 427724.

Almost surely, 2^22240322 is an apocalyptic number.

22240322 is a deficient number, since it is larger than the sum of its proper divisors (13686394).

22240322 is a wasteful number, since it uses less digits than its factorization.

22240322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 855412.

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

The square root of 22240322 is about 4715.9645885015. The cubic root of 22240322 is about 281.2205307724.

Adding to 22240322 its reverse (22304222), we get a palindrome (44544544).

The spelling of 22240322 in words is "twenty-two million, two hundred forty thousand, three hundred twenty-two".