22141541 has 2 divisors, whose sum is σ = 22141542. Its totient is φ = 22141540.

The previous prime is 22141519. The next prime is 22141543. The reversal of 22141541 is 14514122.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20884900 + 1256641 = 4570^2 + 1121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22141541 is a prime.

Together with 22141543, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22141543) 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 as a sum of consecutive naturals, namely, 11070770 + 11070771.

It is an arithmetic number, because the mean of its divisors is an integer number (11070771).

Almost surely, 2^22141541 is an apocalyptic number.

It is an amenable number.

22141541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22141541 is an equidigital number, since it uses as much as digits as its factorization.

22141541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 20.

The square root of 22141541 is about 4705.4798905106. The cubic root of 22141541 is about 280.8035632714.

Adding to 22141541 its reverse (14514122), we get a palindrome (36655663).

The spelling of 22141541 in words is "twenty-two million, one hundred forty-one thousand, five hundred forty-one".