22026726 has 24 divisors (see below), whose sum is σ = 47881704. Its totient is φ = 7318080.

The previous prime is 22026703. The next prime is 22026727. The reversal of 22026726 is 62762022.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22026726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22026727) 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 11 ways as a sum of consecutive naturals, for example, 4110 + ... + 7806.

It is an arithmetic number, because the mean of its divisors is an integer number (1995071).

Almost surely, 2^22026726 is an apocalyptic number.

22026726 is an abundant number, since it is smaller than the sum of its proper divisors (25854978).

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

22026726 is a wasteful number, since it uses less digits than its factorization.

22026726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4036 (or 4033 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 22026726 is about 4693.2638962666. The cubic root of 22026726 is about 280.3173527607.

Adding to 22026726 its reverse (62762022), we get a palindrome (84788748).

The spelling of 22026726 in words is "twenty-two million, twenty-six thousand, seven hundred twenty-six".