22265543 has 2 divisors, whose sum is σ = 22265544. Its totient is φ = 22265542.

The previous prime is 22265521. The next prime is 22265557. The reversal of 22265543 is 34556222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22265543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22265743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11132771 + 11132772.

It is an arithmetic number, because the mean of its divisors is an integer number (11132772).

Almost surely, 2^22265543 is an apocalyptic number.

22265543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22265543 is an equidigital number, since it uses as much as digits as its factorization.

22265543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 14400, while the sum is 29.

The square root of 22265543 is about 4718.6378331040. The cubic root of 22265543 is about 281.3267939764.

The spelling of 22265543 in words is "twenty-two million, two hundred sixty-five thousand, five hundred forty-three".