22561026 has 8 divisors (see below), whose sum is σ = 45122064. Its totient is φ = 7520340.

The previous prime is 22561003. The next prime is 22561027. The reversal of 22561026 is 62016522.

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

22561026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 22560987 and 22561005.

It is not an unprimeable number, because it can be changed into a prime (22561027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1880080 + ... + 1880091.

It is an arithmetic number, because the mean of its divisors is an integer number (5640258).

Almost surely, 2^22561026 is an apocalyptic number.

22561026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22561026 is a wasteful number, since it uses less digits than its factorization.

22561026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3760176.

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

The square root of 22561026 is about 4749.8448395711. The cubic root of 22561026 is about 282.5658123224.

Adding to 22561026 its reverse (62016522), we get a palindrome (84577548).

The spelling of 22561026 in words is "twenty-two million, five hundred sixty-one thousand, twenty-six".