11226541 has 2 divisors, whose sum is σ = 11226542. Its totient is φ = 11226540.

The previous prime is 11226539. The next prime is 11226563. The reversal of 11226541 is 14562211.

It is an a-pointer prime, because the next prime (11226563) can be obtained adding 11226541 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 137641 = 3330^2 + 371^2 .

It is an emirp because it is prime and its reverse (14562211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11226541 - 2¹ = 11226539 is a prime.

Together with 11226539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11226521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5613270 + 5613271.

It is an arithmetic number, because the mean of its divisors is an integer number (5613271).

Almost surely, 2^11226541 is an apocalyptic number.

It is an amenable number.

11226541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11226541 is an equidigital number, since it uses as much as digits as its factorization.

11226541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 480, while the sum is 22.

The square root of 11226541 is about 3350.6030800439. The cubic root of 11226541 is about 223.9143818728.

Adding to 11226541 its reverse (14562211), we get a palindrome (25788752).

The spelling of 11226541 in words is "eleven million, two hundred twenty-six thousand, five hundred forty-one".