303013224 has 144 divisors (see below), whose sum is σ = 892775520. Its totient is φ = 96228000.

The previous prime is 303013223. The next prime is 303013241. The reversal of 303013224 is 422310303.

It is a hoax number, since the sum of its digits (18) coincides with the sum of the digits of its distinct prime factors.

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 = 303013197 and 303013206.

It is not an unprimeable number, because it can be changed into a prime (303013223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1207099 + ... + 1207349.

It is an arithmetic number, because the mean of its divisors is an integer number (6199830).

Almost surely, 2^303013224 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 303013224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446387760).

303013224 is an abundant number, since it is smaller than the sum of its proper divisors (589762296).

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

303013224 is an equidigital number, since it uses as much as digits as its factorization.

303013224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 303013224 is about 17407.2750308599. The cubic root of 303013224 is about 671.6667671811. Note that the first 3 decimals are identical.

Adding to 303013224 its reverse (422310303), we get a palindrome (725323527).

The spelling of 303013224 in words is "three hundred three million, thirteen thousand, two hundred twenty-four".