22552243 has 8 divisors (see below), whose sum is σ = 25909088. Its totient is φ = 19229184.

The previous prime is 22552241. The next prime is 22552261. The reversal of 22552243 is 34225522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22552243 - 2¹ = 22552241 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 6996 + ... + 9697.

It is an arithmetic number, because the mean of its divisors is an integer number (3238636).

Almost surely, 2^22552243 is an apocalyptic number.

22552243 is a deficient number, since it is larger than the sum of its proper divisors (3356845).

22552243 is a wasteful number, since it uses less digits than its factorization.

22552243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16893.

The product of its digits is 4800, while the sum is 25.

The square root of 22552243 is about 4748.9201930544. The cubic root of 22552243 is about 282.5291399706.

Adding to 22552243 its reverse (34225522), we get a palindrome (56777765).

The spelling of 22552243 in words is "twenty-two million, five hundred fifty-two thousand, two hundred forty-three".