52200522 has 48 divisors (see below), whose sum is σ = 127651680. Its totient is φ = 15271200.

The previous prime is 52200521. The next prime is 52200529. The reversal of 52200522 is 22500225.

It is a super-3 number, since 3×52200522³ (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 52200495 and 52200504.

It is not an unprimeable number, because it can be changed into a prime (52200521) 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, 1197 + ... + 10287.

It is an arithmetic number, because the mean of its divisors is an integer number (2659410).

Almost surely, 2^52200522 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52200522, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63825840).

52200522 is an abundant number, since it is smaller than the sum of its proper divisors (75451158).

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

52200522 is a wasteful number, since it uses less digits than its factorization.

52200522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139 (or 9136 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 52200522 is about 7224.9928719688. The cubic root of 52200522 is about 373.7302763237.

Adding to 52200522 its reverse (22500225), we get a palindrome (74700747).

It can be divided in two parts, 52200 and 522, that multiplied together give a square (27248400 = 5220²).

The spelling of 52200522 in words is "fifty-two million, two hundred thousand, five hundred twenty-two".