22514445 has 12 divisors (see below), whose sum is σ = 39025116. Its totient is φ = 12007680.

The previous prime is 22514417. The next prime is 22514467. The reversal of 22514445 is 54441522.

It can be written as a sum of positive squares in 2 ways, for example, as 13351716 + 9162729 = 3654^2 + 3027^2 .

It is not a de Polignac number, because 22514445 - 2⁸ = 22514189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 250116 + ... + 250205.

It is an arithmetic number, because the mean of its divisors is an integer number (3252093).

Almost surely, 2^22514445 is an apocalyptic number.

It is an amenable number.

22514445 is a deficient number, since it is larger than the sum of its proper divisors (16510671).

22514445 is a wasteful number, since it uses less digits than its factorization.

22514445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500332 (or 500329 counting only the distinct ones).

The product of its digits is 6400, while the sum is 27.

The square root of 22514445 is about 4744.9388826412. The cubic root of 22514445 is about 282.3712102533.

Adding to 22514445 its reverse (54441522), we get a palindrome (76955967).

The spelling of 22514445 in words is "twenty-two million, five hundred fourteen thousand, four hundred forty-five".