22573249 has 2 divisors, whose sum is σ = 22573250. Its totient is φ = 22573248.

The previous prime is 22573241. The next prime is 22573277. The reversal of 22573249 is 94237522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22278400 + 294849 = 4720^2 + 543^2 .

It is a cyclic number.

It is not a de Polignac number, because 22573249 - 2³ = 22573241 is a prime.

It is not a weakly prime, because it can be changed into another prime (22573241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11286624 + 11286625.

It is an arithmetic number, because the mean of its divisors is an integer number (11286625).

Almost surely, 2^22573249 is an apocalyptic number.

It is an amenable number.

22573249 is a deficient number, since it is larger than the sum of its proper divisors (1).

22573249 is an equidigital number, since it uses as much as digits as its factorization.

22573249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 22573249 is about 4751.1313389550. The cubic root of 22573249 is about 282.6168321414.

It can be divided in two parts, 22573 and 249, that added together give a palindrome (22822).

The spelling of 22573249 in words is "twenty-two million, five hundred seventy-three thousand, two hundred forty-nine".