22840026 has 64 divisors (see below), whose sum is σ = 52531200. Its totient is φ = 6557760.

The previous prime is 22840019. The next prime is 22840031. The reversal of 22840026 is 62004822.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22839978 and 22840005.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 114675 + ... + 114873.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 2^22840026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22840026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26265600).

22840026 is an abundant number, since it is smaller than the sum of its proper divisors (29691174).

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

22840026 is a wasteful number, since it uses less digits than its factorization.

22840026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 22840026 is about 4779.1239783040. The cubic root of 22840026 is about 283.7258231388.

Adding to 22840026 its reverse (62004822), we get a palindrome (84844848).

It can be divided in two parts, 22 and 840026, that added together give a palindrome (840048).

The spelling of 22840026 in words is "twenty-two million, eight hundred forty thousand, twenty-six".