52233220 has 48 divisors (see below), whose sum is σ = 119669760. Its totient is φ = 19034496.

The previous prime is 52233217. The next prime is 52233229. The reversal of 52233220 is 2233225.

It is not an unprimeable number, because it can be changed into a prime (52233229) 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, 19269 + ... + 21811.

It is an arithmetic number, because the mean of its divisors is an integer number (2493120).

Almost surely, 2^52233220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52233220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59834880).

52233220 is an abundant number, since it is smaller than the sum of its proper divisors (67436540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52233220 is a wasteful number, since it uses less digits than its factorization.

52233220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2642 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 52233220 is about 7227.2553573262. The cubic root of 52233220 is about 373.8082939465.

Adding to 52233220 its reverse (2233225), we get a palindrome (54466445).

The spelling of 52233220 in words is "fifty-two million, two hundred thirty-three thousand, two hundred twenty".