52222160 has 40 divisors (see below), whose sum is σ = 122968320. Its totient is φ = 20621952.

The previous prime is 52222153. The next prime is 52222193. The reversal of 52222160 is 6122225.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2189 + ... + 10451.

It is an arithmetic number, because the mean of its divisors is an integer number (3074208).

Almost surely, 2^52222160 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 52222160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61484160).

52222160 is an abundant number, since it is smaller than the sum of its proper divisors (70746160).

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

52222160 is a wasteful number, since it uses less digits than its factorization.

52222160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8355 (or 8349 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 52222160 is about 7226.4901577460. The cubic root of 52222160 is about 373.7819083655.

Adding to 52222160 its reverse (6122225), we get a palindrome (58344385).

The spelling of 52222160 in words is "fifty-two million, two hundred twenty-two thousand, one hundred sixty".