26220236 has 12 divisors (see below), whose sum is σ = 52440528. Its totient is φ = 11237232.

The previous prime is 26220223. The next prime is 26220241. The reversal of 26220236 is 63202262.

It is a happy number.

26220236 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 468191 + ... + 468246.

It is an arithmetic number, because the mean of its divisors is an integer number (4370044).

Almost surely, 2^26220236 is an apocalyptic number.

It is an amenable number.

26220236 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.

26220236 is a wasteful number, since it uses less digits than its factorization.

26220236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936448 (or 936446 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 26220236 is about 5120.5698901587. The cubic root of 26220236 is about 297.0837282406.

Adding to 26220236 its reverse (63202262), we get a palindrome (89422498).

The spelling of 26220236 in words is "twenty-six million, two hundred twenty thousand, two hundred thirty-six".