22506026 has 16 divisors (see below), whose sum is σ = 34577928. Its totient is φ = 10982400.

The previous prime is 22506023. The next prime is 22506047. The reversal of 22506026 is 62060522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 20241001 + 2265025 = 4499^2 + 1505^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22505992 and 22506010.

It is not an unprimeable number, because it can be changed into a prime (22506023) 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 7 ways as a sum of consecutive naturals, for example, 25106 + ... + 25986.

Almost surely, 2^22506026 is an apocalyptic number.

22506026 is a deficient number, since it is larger than the sum of its proper divisors (12071902).

22506026 is a wasteful number, since it uses less digits than its factorization.

22506026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 22506026 is about 4744.0516439010. The cubic root of 22506026 is about 282.3360094507.

Adding to 22506026 its reverse (62060522), we get a palindrome (84566548).

The spelling of 22506026 in words is "twenty-two million, five hundred six thousand, twenty-six".