22573241 has 2 divisors, whose sum is σ = 22573242. Its totient is φ = 22573240.

The previous prime is 22573181. The next prime is 22573249. The reversal of 22573241 is 14237522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11417641 + 11155600 = 3379^2 + 3340^2 .

It is a cyclic number.

It is not a de Polignac number, because 22573241 - 2²² = 18378937 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 22573241.

It is not a weakly prime, because it can be changed into another prime (22573249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286620 + 11286621.

It is an arithmetic number, because the mean of its divisors is an integer number (11286621).

Almost surely, 2^22573241 is an apocalyptic number.

It is an amenable number.

22573241 is a deficient number, since it is larger than the sum of its proper divisors (1).

22573241 is an equidigital number, since it uses as much as digits as its factorization.

22573241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 26.

The square root of 22573241 is about 4751.1304970501. The cubic root of 22573241 is about 282.6167987547.

The spelling of 22573241 in words is "twenty-two million, five hundred seventy-three thousand, two hundred forty-one".