52231225 has 24 divisors (see below), whose sum is σ = 69772320. Its totient is φ = 38641920.

The previous prime is 52231219. The next prime is 52231243. The reversal of 52231225 is 52213225.

It is not a de Polignac number, because 52231225 - 2⁹ = 52230713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52231196 and 52231205.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24034 + ... + 26116.

It is an arithmetic number, because the mean of its divisors is an integer number (2907180).

Almost surely, 2^52231225 is an apocalyptic number.

It is an amenable number.

52231225 is a deficient number, since it is larger than the sum of its proper divisors (17541095).

52231225 is a wasteful number, since it uses less digits than its factorization.

52231225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169 (or 2164 counting only the distinct ones).

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

The square root of 52231225 is about 7227.1173368086. The cubic root of 52231225 is about 373.8035347974.

The spelling of 52231225 in words is "fifty-two million, two hundred thirty-one thousand, two hundred twenty-five".