22354573 has 2 divisors, whose sum is σ = 22354574. Its totient is φ = 22354572.

The previous prime is 22354559. The next prime is 22354603. The reversal of 22354573 is 37545322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18679684 + 3674889 = 4322^2 + 1917^2 .

It is a cyclic number.

It is not a de Polignac number, because 22354573 - 2¹⁷ = 22223501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22354513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11177286 + 11177287.

It is an arithmetic number, because the mean of its divisors is an integer number (11177287).

Almost surely, 2^22354573 is an apocalyptic number.

It is an amenable number.

22354573 is a deficient number, since it is larger than the sum of its proper divisors (1).

22354573 is an equidigital number, since it uses as much as digits as its factorization.

22354573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 31.

The square root of 22354573 is about 4728.0622880838. The cubic root of 22354573 is about 281.7012622018.

Adding to 22354573 its reverse (37545322), we get a palindrome (59899895).

The spelling of 22354573 in words is "twenty-two million, three hundred fifty-four thousand, five hundred seventy-three".