2206197678 has 96 divisors (see below), whose sum is σ = 4923444960. Its totient is φ = 658022400.

The previous prime is 2206197667. The next prime is 2206197683. The reversal of 2206197678 is 8767916022.

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 47 ways as a sum of consecutive naturals, for example, 3670578 + ... + 3671178.

It is an arithmetic number, because the mean of its divisors is an integer number (51285885).

Almost surely, 2^2206197678 is an apocalyptic number.

2206197678 is an abundant number, since it is smaller than the sum of its proper divisors (2717247282).

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

2206197678 is a wasteful number, since it uses less digits than its factorization.

2206197678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 725 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 2206197678 is about 46970.1786030243. The cubic root of 2206197678 is about 1301.8116119323.

The spelling of 2206197678 in words is "two billion, two hundred six million, one hundred ninety-seven thousand, six hundred seventy-eight".