52206223 has 4 divisors (see below), whose sum is σ = 53617240. Its totient is φ = 50795208.

The previous prime is 52206211. The next prime is 52206239. The reversal of 52206223 is 32260225.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 52206223 - 2⁵ = 52206191 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52206194 and 52206203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52206283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 705453 + ... + 705526.

It is an arithmetic number, because the mean of its divisors is an integer number (13404310).

Almost surely, 2^52206223 is an apocalyptic number.

52206223 is a deficient number, since it is larger than the sum of its proper divisors (1411017).

52206223 is a wasteful number, since it uses less digits than its factorization.

52206223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1411016.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 52206223 is about 7225.3873944585. The cubic root of 52206223 is about 373.7438812882.

Adding to 52206223 its reverse (32260225), we get a palindrome (84466448).

The spelling of 52206223 in words is "fifty-two million, two hundred six thousand, two hundred twenty-three".