22228026 has 8 divisors (see below), whose sum is σ = 44456064. Its totient is φ = 7409340.

The previous prime is 22228021. The next prime is 22228091. The reversal of 22228026 is 62082222.

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

22228026 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22227987 and 22228005.

It is not an unprimeable number, because it can be changed into a prime (22228021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1852330 + ... + 1852341.

It is an arithmetic number, because the mean of its divisors is an integer number (5557008).

Almost surely, 2^22228026 is an apocalyptic number.

22228026 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.

22228026 is a wasteful number, since it uses less digits than its factorization.

22228026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3704676.

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

The square root of 22228026 is about 4714.6607513160. The cubic root of 22228026 is about 281.1686951156.

The spelling of 22228026 in words is "twenty-two million, two hundred twenty-eight thousand, twenty-six".