22554243 has 12 divisors (see below), whose sum is σ = 32622408. Its totient is φ = 15015840.

The previous prime is 22554241. The next prime is 22554247. The reversal of 22554243 is 34245522.

It is a happy number.

It is not a de Polignac number, because 22554243 - 2¹ = 22554241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22554241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8671 + ... + 10967.

It is an arithmetic number, because the mean of its divisors is an integer number (2718534).

Almost surely, 2^22554243 is an apocalyptic number.

22554243 is a deficient number, since it is larger than the sum of its proper divisors (10068165).

22554243 is a wasteful number, since it uses less digits than its factorization.

22554243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3391 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 22554243 is about 4749.1307625712. The cubic root of 22554243 is about 282.5374915652.

Adding to 22554243 its reverse (34245522), we get a palindrome (56799765).

The spelling of 22554243 in words is "twenty-two million, five hundred fifty-four thousand, two hundred forty-three".