52422272 has 64 divisors (see below), whose sum is σ = 122351040. Its totient is φ = 21903360.

The previous prime is 52422269. The next prime is 52422277. The reversal of 52422272 is 27222425.

52422272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (52422277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36023 + ... + 37449.

It is an arithmetic number, because the mean of its divisors is an integer number (1911735).

Almost surely, 2^52422272 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 52422272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61175520).

52422272 is an abundant number, since it is smaller than the sum of its proper divisors (69928768).

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

52422272 is a wasteful number, since it uses less digits than its factorization.

52422272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1489 (or 1477 counting only the distinct ones).

The product of its digits is 4480, while the sum is 26.

The square root of 52422272 is about 7240.3226447445. The cubic root of 52422272 is about 374.2587360023.

Adding to 52422272 its reverse (27222425), we get a palindrome (79644697).

The spelling of 52422272 in words is "fifty-two million, four hundred twenty-two thousand, two hundred seventy-two".