22267541 has 2 divisors, whose sum is σ = 22267542. Its totient is φ = 22267540.

The previous prime is 22267529. The next prime is 22267543. The reversal of 22267541 is 14576222.

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., 21996100 + 271441 = 4690^2 + 521^2 .

It is a cyclic number.

It is not a de Polignac number, because 22267541 - 2⁶ = 22267477 is a prime.

Together with 22267543, 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 (22267543) 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, 11133770 + 11133771.

It is an arithmetic number, because the mean of its divisors is an integer number (11133771).

Almost surely, 2^22267541 is an apocalyptic number.

It is an amenable number.

22267541 is a deficient number, since it is larger than the sum of its proper divisors (1).

22267541 is an equidigital number, since it uses as much as digits as its factorization.

22267541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 22267541 is about 4718.8495419964. The cubic root of 22267541 is about 281.3352086843.

The spelling of 22267541 in words is "twenty-two million, two hundred sixty-seven thousand, five hundred forty-one".