22240033 has 8 divisors (see below), whose sum is σ = 22573760. Its totient is φ = 21908880.

The previous prime is 22240027. The next prime is 22240037. The reversal of 22240033 is 33004222.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22240033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22239989 and 22240016.

It is not an unprimeable number, because it can be changed into a prime (22240037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22516 + ... + 23482.

It is an arithmetic number, because the mean of its divisors is an integer number (2821720).

Almost surely, 2^22240033 is an apocalyptic number.

It is an amenable number.

22240033 is a deficient number, since it is larger than the sum of its proper divisors (333727).

22240033 is a wasteful number, since it uses less digits than its factorization.

22240033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 22240033 is about 4715.9339477987. The cubic root of 22240033 is about 281.2193126683.

Adding to 22240033 its reverse (33004222), we get a palindrome (55244255).

The spelling of 22240033 in words is "twenty-two million, two hundred forty thousand, thirty-three".