2199305 has 4 divisors (see below), whose sum is σ = 2639172. Its totient is φ = 1759440.

The previous prime is 2199299. The next prime is 2199311. The reversal of 2199305 is 5039912.

2199305 = T₅₃₄ + T₅₃₅ + ... + T₅₄₈.

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

It is an interprime number because it is at equal distance from previous prime (2199299) and next prime (2199311).

It can be written as a sum of positive squares in 2 ways, for example, as 797449 + 1401856 = 893^2 + 1184^2 .

It is not a de Polignac number, because 2199305 - 2²⁰ = 1150729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219926 + ... + 219935.

It is an arithmetic number, because the mean of its divisors is an integer number (659793).

2^2199305 is an apocalyptic number.

It is an amenable number.

2199305 is a deficient number, since it is larger than the sum of its proper divisors (439867).

2199305 is an equidigital number, since it uses as much as digits as its factorization.

2199305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439866.

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 2199305 is about 1483.0053944609. The cubic root of 2199305 is about 130.0454476206.

The spelling of 2199305 in words is "two million, one hundred ninety-nine thousand, three hundred five".