22436573 has 2 divisors, whose sum is σ = 22436574. Its totient is φ = 22436572.

The previous prime is 22436551. The next prime is 22436581. The reversal of 22436573 is 37563422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21132409 + 1304164 = 4597^2 + 1142^2 .

It is a cyclic number.

It is not a de Polignac number, because 22436573 - 2⁸ = 22436317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22436273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11218286 + 11218287.

It is an arithmetic number, because the mean of its divisors is an integer number (11218287).

Almost surely, 2^22436573 is an apocalyptic number.

It is an amenable number.

22436573 is a deficient number, since it is larger than the sum of its proper divisors (1).

22436573 is an equidigital number, since it uses as much as digits as its factorization.

22436573 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 32.

The square root of 22436573 is about 4736.7259789859. The cubic root of 22436573 is about 282.0452830388.

Adding to 22436573 its reverse (37563422), we get a palindrome (59999995).

The spelling of 22436573 in words is "twenty-two million, four hundred thirty-six thousand, five hundred seventy-three".