52224421351 has 4 divisors (see below), whose sum is σ = 52731454672. Its totient is φ = 51717388032.

The previous prime is 52224421313. The next prime is 52224421357. The reversal of 52224421351 is 15312442225.

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 52224421351 - 2²¹ = 52222324199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224421357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253516506 + ... + 253516711.

It is an arithmetic number, because the mean of its divisors is an integer number (13182863668).

Almost surely, 2^52224421351 is an apocalyptic number.

52224421351 is a deficient number, since it is larger than the sum of its proper divisors (507033321).

52224421351 is a wasteful number, since it uses less digits than its factorization.

52224421351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507033320.

The product of its digits is 19200, while the sum is 31.

Adding to 52224421351 its reverse (15312442225), we get a palindrome (67536863576).

The spelling of 52224421351 in words is "fifty-two billion, two hundred twenty-four million, four hundred twenty-one thousand, three hundred fifty-one".