22126541 has 2 divisors, whose sum is σ = 22126542. Its totient is φ = 22126540.

The previous prime is 22126501. The next prime is 22126543. The reversal of 22126541 is 14562122.

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., 14032516 + 8094025 = 3746^2 + 2845^2 .

It is a cyclic number.

It is not a de Polignac number, because 22126541 - 2⁶ = 22126477 is a prime.

Together with 22126543, 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 (22126543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11063270 + 11063271.

It is an arithmetic number, because the mean of its divisors is an integer number (11063271).

Almost surely, 2^22126541 is an apocalyptic number.

It is an amenable number.

22126541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22126541 is an equidigital number, since it uses as much as digits as its factorization.

22126541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 23.

The square root of 22126541 is about 4703.8857341564. The cubic root of 22126541 is about 280.7401379212.

Adding to 22126541 its reverse (14562122), we get a palindrome (36688663).

It can be divided in two parts, 221 and 26541, that added together give a palindrome (26762).

The spelling of 22126541 in words is "twenty-two million, one hundred twenty-six thousand, five hundred forty-one".