26422213 has 4 divisors (see below), whose sum is σ = 26438860. Its totient is φ = 26405568.

The previous prime is 26422189. The next prime is 26422237. The reversal of 26422213 is 31222462.

It is the 2099-th star number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (26422189) and next prime (26422237).

It can be written as a sum of positive squares in 2 ways, for example, as 9628609 + 16793604 = 3103^2 + 4098^2 .

It is a cyclic number.

It is not a de Polignac number, because 26422213 - 2¹³ = 26414021 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 (26422283) 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 3 ways as a sum of consecutive naturals, for example, 5658 + ... + 9211.

It is an arithmetic number, because the mean of its divisors is an integer number (6609715).

Almost surely, 2^26422213 is an apocalyptic number.

It is an amenable number.

26422213 is a deficient number, since it is larger than the sum of its proper divisors (16647).

26422213 is a wasteful number, since it uses less digits than its factorization.

26422213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16646.

The product of its digits is 1152, while the sum is 22.

The square root of 26422213 is about 5140.2541765948. The cubic root of 26422213 is about 297.8445993958.

Adding to 26422213 its reverse (31222462), we get a palindrome (57644675).

The spelling of 26422213 in words is "twenty-six million, four hundred twenty-two thousand, two hundred thirteen".