303220116 has 36 divisors (see below), whose sum is σ = 779469600. Its totient is φ = 99359568.

The previous prime is 303220103. The next prime is 303220117. The reversal of 303220116 is 611022303.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×303220116³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (303220117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69256 + ... + 73503.

Almost surely, 2^303220116 is an apocalyptic number.

303220116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

303220116 is an abundant number, since it is smaller than the sum of its proper divisors (476249484).

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

303220116 is a wasteful number, since it uses less digits than its factorization.

303220116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142828 (or 142823 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 303220116 is about 17413.2167045609. The cubic root of 303220116 is about 671.8195997472.

Adding to 303220116 its reverse (611022303), we get a palindrome (914242419).

The spelling of 303220116 in words is "three hundred three million, two hundred twenty thousand, one hundred sixteen".