22602561 has 8 divisors (see below), whose sum is σ = 30188064. Its totient is φ = 15042720.

The previous prime is 22602551. The next prime is 22602577. The reversal of 22602561 is 16520622.

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

It is not a de Polignac number, because 22602561 - 2⁶ = 22602497 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (22602511) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4255 + ... + 7956.

It is an arithmetic number, because the mean of its divisors is an integer number (3773508).

Almost surely, 2^22602561 is an apocalyptic number.

It is an amenable number.

22602561 is a deficient number, since it is larger than the sum of its proper divisors (7585503).

22602561 is a wasteful number, since it uses less digits than its factorization.

22602561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12831.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22602561 is about 4754.2150771710. The cubic root of 22602561 is about 282.7391078709.

The spelling of 22602561 in words is "twenty-two million, six hundred two thousand, five hundred sixty-one".