22603066 has 8 divisors (see below), whose sum is σ = 35378784. Its totient is φ = 10810140.

The previous prime is 22603019. The next prime is 22603067. The reversal of 22603066 is 66030622.

22603066 = 538² + 539² + ... + 606².

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 22603066.

It is not an unprimeable number, because it can be changed into a prime (22603067) by changing a digit.

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, 245640 + ... + 245731.

It is an arithmetic number, because the mean of its divisors is an integer number (4422348).

Almost surely, 2^22603066 is an apocalyptic number.

22603066 is a deficient number, since it is larger than the sum of its proper divisors (12775718).

22603066 is a wasteful number, since it uses less digits than its factorization.

22603066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491396.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 22603066 is about 4754.2681876394. The cubic root of 22603066 is about 282.7412135643.

Adding to 22603066 its reverse (66030622), we get a palindrome (88633688).

The spelling of 22603066 in words is "twenty-two million, six hundred three thousand, sixty-six".