220799 has 4 divisors (see below), whose sum is σ = 232440. Its totient is φ = 209160.

The previous prime is 220793. The next prime is 220807. The reversal of 220799 is 997022.

It is a happy number.

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 220799 - 2⁴ = 220783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220793) 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, 5792 + ... + 5829.

It is an arithmetic number, because the mean of its divisors is an integer number (58110).

2²²⁰⁷⁹⁹ is an apocalyptic number.

220799 is a deficient number, since it is larger than the sum of its proper divisors (11641).

220799 is a wasteful number, since it uses less digits than its factorization.

220799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11640.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 220799 is about 469.8925409070. The cubic root of 220799 is about 60.4411010692.

The spelling of 220799 in words is "two hundred twenty thousand, seven hundred ninety-nine".