22552123 has 4 divisors (see below), whose sum is σ = 24602328. Its totient is φ = 20501920.

The previous prime is 22552093. The next prime is 22552157. The reversal of 22552123 is 32125522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22552123 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22552094 and 22552103.

It is not an unprimeable number, because it can be changed into a prime (22552163) 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 3 ways as a sum of consecutive naturals, for example, 1025086 + ... + 1025107.

It is an arithmetic number, because the mean of its divisors is an integer number (6150582).

Almost surely, 2^22552123 is an apocalyptic number.

22552123 is a deficient number, since it is larger than the sum of its proper divisors (2050205).

22552123 is a wasteful number, since it uses less digits than its factorization.

22552123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2050204.

The product of its digits is 1200, while the sum is 22.

The square root of 22552123 is about 4748.9075585865. The cubic root of 22552123 is about 282.5286388592.

Adding to 22552123 its reverse (32125522), we get a palindrome (54677645).

The spelling of 22552123 in words is "twenty-two million, five hundred fifty-two thousand, one hundred twenty-three".