52224020231 has 4 divisors (see below), whose sum is σ = 53497776864. Its totient is φ = 50950263600.

The previous prime is 52224020227. The next prime is 52224020239. The reversal of 52224020231 is 13202042225.

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 52224020231 - 2² = 52224020227 is a prime.

It is a super-2 number, since 2×52224020231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52224020197 and 52224020206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224020239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 636878255 + ... + 636878336.

It is an arithmetic number, because the mean of its divisors is an integer number (13374444216).

Almost surely, 2^52224020231 is an apocalyptic number.

52224020231 is a deficient number, since it is larger than the sum of its proper divisors (1273756633).

52224020231 is a wasteful number, since it uses less digits than its factorization.

52224020231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273756632.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 52224020231 its reverse (13202042225), we get a palindrome (65426062456).

The spelling of 52224020231 in words is "fifty-two billion, two hundred twenty-four million, twenty thousand, two hundred thirty-one".