303226252 has 72 divisors (see below), whose sum is σ = 640604160. Its totient is φ = 122983200.

The previous prime is 303226241. The next prime is 303226267. The reversal of 303226252 is 252622303.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1587477 + ... + 1587667.

It is an arithmetic number, because the mean of its divisors is an integer number (8897280).

Almost surely, 2^303226252 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 303226252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320302080).

303226252 is an abundant number, since it is smaller than the sum of its proper divisors (337377908).

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

303226252 is a wasteful number, since it uses less digits than its factorization.

303226252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 303226252 is about 17413.3928916797. The cubic root of 303226252 is about 671.8241313916.

Adding to 303226252 its reverse (252622303), we get a palindrome (555848555).

The spelling of 303226252 in words is "three hundred three million, two hundred twenty-six thousand, two hundred fifty-two".