22270543 has 2 divisors, whose sum is σ = 22270544. Its totient is φ = 22270542.

The previous prime is 22270541. The next prime is 22270597. The reversal of 22270543 is 34507222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22270543 - 2¹ = 22270541 is a prime.

Together with 22270541, 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 (22270541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11135271 + 11135272.

It is an arithmetic number, because the mean of its divisors is an integer number (11135272).

Almost surely, 2^22270543 is an apocalyptic number.

22270543 is a deficient number, since it is larger than the sum of its proper divisors (1).

22270543 is an equidigital number, since it uses as much as digits as its factorization.

22270543 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22270543 is about 4719.1676172817. The cubic root of 22270543 is about 281.3478508577.

Adding to 22270543 its reverse (34507222), we get a palindrome (56777765).

The spelling of 22270543 in words is "twenty-two million, two hundred seventy thousand, five hundred forty-three".