2205072706 has 8 divisors (see below), whose sum is σ = 3310155324. Its totient is φ = 1101687600.

The previous prime is 2205072689. The next prime is 2205072731. The reversal of 2205072706 is 6072705022.

2205072706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1492663225 + 712409481 = 38635^2 + 26691^2 .

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

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, 421125 + ... + 426328.

Almost surely, 2^2205072706 is an apocalyptic number.

2205072706 is a deficient number, since it is larger than the sum of its proper divisors (1105082618).

2205072706 is a wasteful number, since it uses less digits than its factorization.

2205072706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 848756.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 2205072706 is about 46958.2016904396. The cubic root of 2205072706 is about 1301.5903034761.

Adding to 2205072706 its reverse (6072705022), we get a palindrome (8277777728).

The spelling of 2205072706 in words is "two billion, two hundred five million, seventy-two thousand, seven hundred six".