2206071690 has 32 divisors (see below), whose sum is σ = 5314273920. Its totient is φ = 586096704.

The previous prime is 2206071689. The next prime is 2206071697. The reversal of 2206071690 is 961706022.

It is a super-2 number, since 2×2206071690² = 9733504602838912200, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2206071697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128614 + ... + 144753.

It is an arithmetic number, because the mean of its divisors is an integer number (166071060).

Almost surely, 2^2206071690 is an apocalyptic number.

2206071690 is an abundant number, since it is smaller than the sum of its proper divisors (3108202230).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2206071690 is a wasteful number, since it uses less digits than its factorization.

2206071690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273646.

The product of its (nonzero) digits is 9072, while the sum is 33.

The square root of 2206071690 is about 46968.8374350484. The cubic root of 2206071690 is about 1301.7868308705.

The spelling of 2206071690 in words is "two billion, two hundred six million, seventy-one thousand, six hundred ninety".