22452243 has 16 divisors (see below), whose sum is σ = 34377600. Its totient is φ = 12890880.

The previous prime is 22452239. The next prime is 22452251. The reversal of 22452243 is 34225422.

It is a happy number.

It is not a de Polignac number, because 22452243 - 2² = 22452239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22452233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17278 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (2148600).

Almost surely, 2^22452243 is an apocalyptic number.

22452243 is a deficient number, since it is larger than the sum of its proper divisors (11925357).

22452243 is a wasteful number, since it uses less digits than its factorization.

22452243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35842.

The product of its digits is 3840, while the sum is 24.

The square root of 22452243 is about 4738.3797863827. The cubic root of 22452243 is about 282.1109291466.

Adding to 22452243 its reverse (34225422), we get a palindrome (56677665).

The spelling of 22452243 in words is "twenty-two million, four hundred fifty-two thousand, two hundred forty-three".