220299 has 4 divisors (see below), whose sum is σ = 293736. Its totient is φ = 146864.

The previous prime is 220291. The next prime is 220301. The reversal of 220299 is 992022.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 220299 - 2³ = 220291 is a prime.

It is a D-number.

220299 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (220291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36714 + ... + 36719.

It is an arithmetic number, because the mean of its divisors is an integer number (73434).

2²²⁰²⁹⁹ is an apocalyptic number.

220299 is a deficient number, since it is larger than the sum of its proper divisors (73437).

220299 is an equidigital number, since it uses as much as digits as its factorization.

220299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73436.

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

The square root of 220299 is about 469.3602028293. The cubic root of 220299 is about 60.3954435696.

It can be divided in two parts, 2 and 20299, that added together give a triangular number (20301 = T₂₀₁).

The spelling of 220299 in words is "two hundred twenty thousand, two hundred ninety-nine".