22556026 has 8 divisors (see below), whose sum is σ = 35000820. Its totient is φ = 10889088.

The previous prime is 22555993. The next prime is 22556047. The reversal of 22556026 is 62065522.

It can be written as a sum of positive squares in 2 ways, for example, as 22553001 + 3025 = 4749^2 + 55^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 22555985 and 22556003.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 194391 + ... + 194506.

Almost surely, 2^22556026 is an apocalyptic number.

22556026 is a deficient number, since it is larger than the sum of its proper divisors (12444794).

22556026 is a wasteful number, since it uses less digits than its factorization.

22556026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388928.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 22556026 is about 4749.3184774239. The cubic root of 22556026 is about 282.5449365956.

It can be divided in two parts, 2255 and 6026, that added together give a square (8281 = 91²).

The spelling of 22556026 in words is "twenty-two million, five hundred fifty-six thousand, twenty-six".