706666022211 has 4 divisors (see below), whose sum is σ = 942221362952. Its totient is φ = 471110681472.

The previous prime is 706666022191. The next prime is 706666022219. The reversal of 706666022211 is 112220666607.

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

It is not a de Polignac number, because 706666022211 - 2¹¹ = 706666020163 is a prime.

It is a super-3 number, since 3×706666022211³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 706666022211.

It is not an unprimeable number, because it can be changed into a prime (706666022219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117777670366 + ... + 117777670371.

It is an arithmetic number, because the mean of its divisors is an integer number (235555340738).

Almost surely, 2^706666022211 is an apocalyptic number.

706666022211 is a deficient number, since it is larger than the sum of its proper divisors (235555340741).

706666022211 is a wasteful number, since it uses less digits than its factorization.

706666022211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235555340740.

The product of its (nonzero) digits is 72576, while the sum is 39.

Adding to 706666022211 its reverse (112220666607), we get a palindrome (818886688818).

The spelling of 706666022211 in words is "seven hundred six billion, six hundred sixty-six million, twenty-two thousand, two hundred eleven".