52220343 has 16 divisors (see below), whose sum is σ = 80583680. Its totient is φ = 29461536.

The previous prime is 52220323. The next prime is 52220353. The reversal of 52220343 is 34302225.

It is not a de Polignac number, because 52220343 - 2¹⁰ = 52219319 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220323) 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, 14080 + ... + 17397.

It is an arithmetic number, because the mean of its divisors is an integer number (5036480).

Almost surely, 2^52220343 is an apocalyptic number.

52220343 is a deficient number, since it is larger than the sum of its proper divisors (28363337).

52220343 is a wasteful number, since it uses less digits than its factorization.

52220343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31566.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 52220343 is about 7226.3644386372. The cubic root of 52220343 is about 373.7775732352. Note that the first 3 decimals are identical.

Adding to 52220343 its reverse (34302225), we get a palindrome (86522568).

The spelling of 52220343 in words is "fifty-two million, two hundred twenty thousand, three hundred forty-three".