2220299705 has 16 divisors (see below), whose sum is σ = 3038094864. Its totient is φ = 1543157760.

The previous prime is 2220299699. The next prime is 2220299713. The reversal of 2220299705 is 5079920222.

It can be written as a sum of positive squares in 8 ways, for example, as 421521961 + 1798777744 = 20531^2 + 42412^2 .

It is not a de Polignac number, because 2220299705 - 2⁴ = 2220299689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1003556 + ... + 1005765.

It is an arithmetic number, because the mean of its divisors is an integer number (189880929).

Almost surely, 2^2220299705 is an apocalyptic number.

It is an amenable number.

2220299705 is a deficient number, since it is larger than the sum of its proper divisors (817795159).

2220299705 is a wasteful number, since it uses less digits than its factorization.

2220299705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009356.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 2220299705 is about 47120.0562924112. The cubic root of 2220299705 is about 1304.5794517920.

The spelling of 2220299705 in words is "two billion, two hundred twenty million, two hundred ninety-nine thousand, seven hundred five".