2206197679 has 16 divisors (see below), whose sum is σ = 2575411200. Its totient is φ = 1850778144.

The previous prime is 2206197667. The next prime is 2206197683. The reversal of 2206197679 is 9767916022.

It is a cyclic number.

It is not a de Polignac number, because 2206197679 - 2¹⁵ = 2206164911 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 (2206197629) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82914 + ... + 106240.

It is an arithmetic number, because the mean of its divisors is an integer number (160963200).

Almost surely, 2^2206197679 is an apocalyptic number.

2206197679 is a deficient number, since it is larger than the sum of its proper divisors (369213521).

2206197679 is a wasteful number, since it uses less digits than its factorization.

2206197679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 2206197679 is about 46970.1786136693. The cubic root of 2206197679 is about 1301.8116121290.

The spelling of 2206197679 in words is "two billion, two hundred six million, one hundred ninety-seven thousand, six hundred seventy-nine".