22552245 has 24 divisors (see below), whose sum is σ = 39926016. Its totient is φ = 11770848.

The previous prime is 22552241. The next prime is 22552261. The reversal of 22552245 is 54225522.

It is not a de Polignac number, because 22552245 - 2² = 22552241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552241) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3217 + ... + 7446.

It is an arithmetic number, because the mean of its divisors is an integer number (1663584).

Almost surely, 2^22552245 is an apocalyptic number.

It is an amenable number.

22552245 is a deficient number, since it is larger than the sum of its proper divisors (17373771).

22552245 is a wasteful number, since it uses less digits than its factorization.

22552245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10721 (or 10718 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 22552245 is about 4748.9204036286. The cubic root of 22552245 is about 282.5291483224.

Adding to 22552245 its reverse (54225522), we get a palindrome (76777767).

The spelling of 22552245 in words is "twenty-two million, five hundred fifty-two thousand, two hundred forty-five".