52220223 has 24 divisors (see below), whose sum is σ = 82789200. Its totient is φ = 31455360.

The previous prime is 52220219. The next prime is 52220249. The reversal of 52220223 is 32202225.

It is not a de Polignac number, because 52220223 - 2² = 52220219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52220196 and 52220205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52220263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15603 + ... + 18651.

It is an arithmetic number, because the mean of its divisors is an integer number (3449550).

Almost surely, 2^52220223 is an apocalyptic number.

52220223 is a deficient number, since it is larger than the sum of its proper divisors (30568977).

52220223 is a wasteful number, since it uses less digits than its factorization.

52220223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239 (or 3236 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 52220223 is about 7226.3561357021. The cubic root of 52220223 is about 373.7772869270. Note that the first 3 decimals are identical.

Adding to 52220223 its reverse (32202225), we get a palindrome (84422448).

It can be divided in two parts, 522202 and 23, that added together give a palindrome (522225).

The spelling of 52220223 in words is "fifty-two million, two hundred twenty thousand, two hundred twenty-three".