52228746 has 64 divisors (see below), whose sum is σ = 120637440. Its totient is φ = 16737840.

The previous prime is 52228741. The next prime is 52228751. The reversal of 52228746 is 64782225.

52228746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (52228741) and next prime (52228751).

It is a self number, because there is not a number n which added to its sum of digits gives 52228746.

It is not an unprimeable number, because it can be changed into a prime (52228741) 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 31 ways as a sum of consecutive naturals, for example, 192591 + ... + 192861.

It is an arithmetic number, because the mean of its divisors is an integer number (1884960).

Almost surely, 2^52228746 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52228746, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60318720).

52228746 is an abundant number, since it is smaller than the sum of its proper divisors (68408694).

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

52228746 is a wasteful number, since it uses less digits than its factorization.

52228746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 402 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 52228746 is about 7226.9458279414. The cubic root of 52228746 is about 373.7976208789.

The spelling of 52228746 in words is "fifty-two million, two hundred twenty-eight thousand, seven hundred forty-six".