2206423646 has 32 divisors (see below), whose sum is σ = 3992760000. Its totient is φ = 912994656.

The previous prime is 2206423607. The next prime is 2206423669. The reversal of 2206423646 is 6463246022.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35561 + ... + 75348.

It is an arithmetic number, because the mean of its divisors is an integer number (124773750).

Almost surely, 2^2206423646 is an apocalyptic number.

2206423646 is a deficient number, since it is larger than the sum of its proper divisors (1786336354).

2206423646 is a wasteful number, since it uses less digits than its factorization.

2206423646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110961 (or 110947 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 35.

The square root of 2206423646 is about 46972.5839825743. The cubic root of 2206423646 is about 1301.8560560796.

Adding to 2206423646 its reverse (6463246022), we get a palindrome (8669669668).

The spelling of 2206423646 in words is "two billion, two hundred six million, four hundred twenty-three thousand, six hundred forty-six".