2706222661 has 8 divisors (see below), whose sum is σ = 2820849440. Its totient is φ = 2593779408.

The previous prime is 2706222643. The next prime is 2706222677. The reversal of 2706222661 is 1662226072.

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

It is a cyclic number.

It is not a de Polignac number, because 2706222661 - 2⁹ = 2706222149 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 (2706225661) 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, 543351 + ... + 548308.

It is an arithmetic number, because the mean of its divisors is an integer number (352606180).

Almost surely, 2^2706222661 is an apocalyptic number.

It is an amenable number.

2706222661 is a deficient number, since it is larger than the sum of its proper divisors (114626779).

2706222661 is a wasteful number, since it uses less digits than its factorization.

2706222661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1091763.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 2706222661 is about 52021.3673503494. The cubic root of 2706222661 is about 1393.5455713199.

The spelling of 2706222661 in words is "two billion, seven hundred six million, two hundred twenty-two thousand, six hundred sixty-one".