22554244 has 12 divisors (see below), whose sum is σ = 39503884. Its totient is φ = 11267424.

The previous prime is 22554241. The next prime is 22554247. The reversal of 22554244 is 44245522.

It is an interprime number because it is at equal distance from previous prime (22554241) and next prime (22554247).

It can be written as a sum of positive squares in 2 ways, for example, as 20340100 + 2214144 = 4510^2 + 1488^2 .

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 3 ways as a sum of consecutive naturals, for example, 6274 + ... + 9190.

Almost surely, 2^22554244 is an apocalyptic number.

It is an amenable number.

22554244 is a deficient number, since it is larger than the sum of its proper divisors (16949640).

22554244 is a wasteful number, since it uses less digits than its factorization.

22554244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4854 (or 4852 counting only the distinct ones).

The product of its digits is 12800, while the sum is 28.

The square root of 22554244 is about 4749.1308678536. The cubic root of 22554244 is about 282.5374957409.

Adding to 22554244 its reverse (44245522), we get a palindrome (66799766).

The spelling of 22554244 in words is "twenty-two million, five hundred fifty-four thousand, two hundred forty-four".