26221349 has 16 divisors (see below), whose sum is σ = 34414080. Its totient is φ = 19355760.

The previous prime is 26221339. The next prime is 26221369. The reversal of 26221349 is 94312262.

It is a cyclic number.

It is not a de Polignac number, because 26221349 - 2⁴ = 26221333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26221339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7499 + ... + 10424.

It is an arithmetic number, because the mean of its divisors is an integer number (2150880).

Almost surely, 2^26221349 is an apocalyptic number.

It is an amenable number.

26221349 is a deficient number, since it is larger than the sum of its proper divisors (8192731).

26221349 is a wasteful number, since it uses less digits than its factorization.

26221349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17960.

The product of its digits is 5184, while the sum is 29.

The square root of 26221349 is about 5120.6785683149. The cubic root of 26221349 is about 297.0879317308.

It can be divided in two parts, 262213 and 49, that added together give a palindrome (262262).

The spelling of 26221349 in words is "twenty-six million, two hundred twenty-one thousand, three hundred forty-nine".