2206206739 has 16 divisors (see below), whose sum is σ = 2561591520. Its totient is φ = 1877852160.

The previous prime is 2206206727. The next prime is 2206206757. The reversal of 2206206739 is 9376026022.

It is a cyclic number.

It is not a de Polignac number, because 2206206739 - 2⁵ = 2206206707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2206206698 and 2206206707.

It is not an unprimeable number, because it can be changed into a prime (2206204739) 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, 5527 + ... + 66655.

It is an arithmetic number, because the mean of its divisors is an integer number (160099470).

Almost surely, 2^2206206739 is an apocalyptic number.

2206206739 is a deficient number, since it is larger than the sum of its proper divisors (355384781).

2206206739 is a wasteful number, since it uses less digits than its factorization.

2206206739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61350.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 2206206739 is about 46970.2750577426. The cubic root of 2206206739 is about 1301.8133941387.

The spelling of 2206206739 in words is "two billion, two hundred six million, two hundred six thousand, seven hundred thirty-nine".