2206428686 has 64 divisors (see below), whose sum is σ = 4321714176. Its totient is φ = 819218400.

The previous prime is 2206428673. The next prime is 2206428701. The reversal of 2206428686 is 6868246022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1100561 + ... + 1102563.

It is an arithmetic number, because the mean of its divisors is an integer number (67526784).

Almost surely, 2^2206428686 is an apocalyptic number.

2206428686 is a deficient number, since it is larger than the sum of its proper divisors (2115285490).

2206428686 is a wasteful number, since it uses less digits than its factorization.

2206428686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2357.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 2206428686 is about 46972.6376308591. The cubic root of 2206428686 is about 1301.8570473292.

The spelling of 2206428686 in words is "two billion, two hundred six million, four hundred twenty-eight thousand, six hundred eighty-six".