52227473 has 4 divisors (see below), whose sum is σ = 52626288. Its totient is φ = 51828660.

The previous prime is 52227437. The next prime is 52227491. The reversal of 52227473 is 37472225.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52227473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52227433) 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, 199211 + ... + 199472.

It is an arithmetic number, because the mean of its divisors is an integer number (13156572).

Almost surely, 2^52227473 is an apocalyptic number.

It is an amenable number.

52227473 is a deficient number, since it is larger than the sum of its proper divisors (398815).

52227473 is a wasteful number, since it uses less digits than its factorization.

52227473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398814.

The product of its digits is 23520, while the sum is 32.

The square root of 52227473 is about 7226.8577542387. The cubic root of 52227473 is about 373.7945839292.

Adding to 52227473 its reverse (37472225), we get a palindrome (89699698).

The spelling of 52227473 in words is "fifty-two million, two hundred twenty-seven thousand, four hundred seventy-three".