52221322343 has 16 divisors (see below), whose sum is σ = 52830683136. Its totient is φ = 51616305600.

The previous prime is 52221322319. The next prime is 52221322379. The reversal of 52221322343 is 34322312225.

It is a cyclic number.

It is not a de Polignac number, because 52221322343 - 2³² = 47926355047 is a prime.

It is a super-2 number, since 2×52221322343² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52221324343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45369818 + ... + 45370968.

It is an arithmetic number, because the mean of its divisors is an integer number (3301917696).

Almost surely, 2^52221322343 is an apocalyptic number.

52221322343 is a deficient number, since it is larger than the sum of its proper divisors (609360793).

52221322343 is a wasteful number, since it uses less digits than its factorization.

52221322343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2614.

The product of its digits is 17280, while the sum is 29.

Adding to 52221322343 its reverse (34322312225), we get a palindrome (86543634568).

The spelling of 52221322343 in words is "fifty-two billion, two hundred twenty-one million, three hundred twenty-two thousand, three hundred forty-three".