2220047705 has 8 divisors (see below), whose sum is σ = 2729034504. Its totient is φ = 1732720000.

The previous prime is 2220047689. The next prime is 2220047707. The reversal of 2220047705 is 5077400222.

It can be written as a sum of positive squares in 4 ways, for example, as 135303424 + 2084744281 = 11632^2 + 45659^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2220047705 - 2⁴ = 2220047689 is a prime.

It is a super-2 number, since 2×2220047705² = 9857223624951534050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220047707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5414546 + ... + 5414955.

It is an arithmetic number, because the mean of its divisors is an integer number (341129313).

Almost surely, 2^2220047705 is an apocalyptic number.

It is an amenable number.

2220047705 is a deficient number, since it is larger than the sum of its proper divisors (508986799).

2220047705 is a wasteful number, since it uses less digits than its factorization.

2220047705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829547.

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 2220047705 is about 47117.3821959582. The cubic root of 2220047705 is about 1304.5300941220.

Adding to 2220047705 its reverse (5077400222), we get a palindrome (7297447927).

The spelling of 2220047705 in words is "two billion, two hundred twenty million, forty-seven thousand, seven hundred five".