26010221 has 8 divisors (see below), whose sum is σ = 28990080. Its totient is φ = 23191488.

The previous prime is 26010191. The next prime is 26010233. The reversal of 26010221 is 12201062.

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

It is a cyclic number.

It is not a de Polignac number, because 26010221 - 2⁶ = 26010157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26010196 and 26010205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26010241) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 39941 + ... + 40586.

It is an arithmetic number, because the mean of its divisors is an integer number (3623760).

Almost surely, 2^26010221 is an apocalyptic number.

It is an amenable number.

26010221 is a deficient number, since it is larger than the sum of its proper divisors (2979859).

26010221 is a wasteful number, since it uses less digits than its factorization.

26010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80563.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 26010221 is about 5100.0216666206. The cubic root of 26010221 is about 296.2884218476.

Adding to 26010221 its reverse (12201062), we get a palindrome (38211283).

The spelling of 26010221 in words is "twenty-six million, ten thousand, two hundred twenty-one".