299220 has 24 divisors (see below), whose sum is σ = 837984. Its totient is φ = 79776.

The previous prime is 299213. The next prime is 299239. The reversal of 299220 is 22992.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 299220.

It is an unprimeable number.

299220 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2434 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (34916).

2²⁹⁹²²⁰ is an apocalyptic number.

299220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

299220 is an abundant number, since it is smaller than the sum of its proper divisors (538764).

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

299220 is a wasteful number, since it uses less digits than its factorization.

299220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 299220 is about 547.0100547522. The cubic root of 299220 is about 66.8852271313.

The spelling of 299220 in words is "two hundred ninety-nine thousand, two hundred twenty".