22230344 has 8 divisors (see below), whose sum is σ = 41681910. Its totient is φ = 11115168.

The previous prime is 22230343. The next prime is 22230347. The reversal of 22230344 is 44303222.

It can be written as a sum of positive squares in only one way, i.e., 17556100 + 4674244 = 4190^2 + 2162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (22230343) 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 as a sum of consecutive naturals, namely, 1389389 + ... + 1389404.

Almost surely, 2^22230344 is an apocalyptic number.

It is an amenable number.

22230344 is a deficient number, since it is larger than the sum of its proper divisors (19451566).

22230344 is a wasteful number, since it uses less digits than its factorization.

22230344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778799 (or 2778795 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 22230344 is about 4714.9065738358. The cubic root of 22230344 is about 281.1784684588.

Adding to 22230344 its reverse (44303222), we get a palindrome (66533566).

The spelling of 22230344 in words is "twenty-two million, two hundred thirty thousand, three hundred forty-four".