26561226 has 16 divisors (see below), whose sum is σ = 53226144. Its totient is φ = 8836464.

The previous prime is 26561201. The next prime is 26561231. The reversal of 26561226 is 62216562.

It is a super-3 number, since 3×26561226³ (a number of 23 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 26561193 and 26561202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 765 + ... + 7328.

It is an arithmetic number, because the mean of its divisors is an integer number (3326634).

Almost surely, 2^26561226 is an apocalyptic number.

26561226 is an abundant number, since it is smaller than the sum of its proper divisors (26664918).

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

26561226 is a wasteful number, since it uses less digits than its factorization.

26561226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8645.

The product of its digits is 8640, while the sum is 30.

The square root of 26561226 is about 5153.7584343855. The cubic root of 26561226 is about 298.3660277171.

Adding to 26561226 its reverse (62216562), we get a palindrome (88777788).

The spelling of 26561226 in words is "twenty-six million, five hundred sixty-one thousand, two hundred twenty-six".