22536047 has 2 divisors, whose sum is σ = 22536048. Its totient is φ = 22536046.

The previous prime is 22536043. The next prime is 22536079. The reversal of 22536047 is 74063522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22536047 - 2² = 22536043 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22536043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268023 + 11268024.

It is an arithmetic number, because the mean of its divisors is an integer number (11268024).

Almost surely, 2^22536047 is an apocalyptic number.

22536047 is a deficient number, since it is larger than the sum of its proper divisors (1).

22536047 is an equidigital number, since it uses as much as digits as its factorization.

22536047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 22536047 is about 4747.2146570384. The cubic root of 22536047 is about 282.4614905609.

Adding to 22536047 its reverse (74063522), we get a palindrome (96599569).

The spelling of 22536047 in words is "twenty-two million, five hundred thirty-six thousand, forty-seven".