22450243 has 4 divisors (see below), whose sum is σ = 22462048. Its totient is φ = 22438440.

The previous prime is 22450199. The next prime is 22450273. The reversal of 22450243 is 34205422.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22450243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22450273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328 + ... + 7093.

It is an arithmetic number, because the mean of its divisors is an integer number (5615512).

Almost surely, 2^22450243 is an apocalyptic number.

22450243 is a deficient number, since it is larger than the sum of its proper divisors (11805).

22450243 is an equidigital number, since it uses as much as digits as its factorization.

22450243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11804.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 22450243 is about 4738.1687390805. The cubic root of 22450243 is about 282.1025522759.

Adding to 22450243 its reverse (34205422), we get a palindrome (56655665).

The spelling of 22450243 in words is "twenty-two million, four hundred fifty thousand, two hundred forty-three".