2198401206 has 32 divisors (see below), whose sum is σ = 4657811040. Its totient is φ = 689342976.

The previous prime is 2198401141. The next prime is 2198401207. The reversal of 2198401206 is 6021048912.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2198401207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 256600 + ... + 265028.

It is an arithmetic number, because the mean of its divisors is an integer number (145556595).

Almost surely, 2^2198401206 is an apocalyptic number.

2198401206 is an abundant number, since it is smaller than the sum of its proper divisors (2459409834).

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

2198401206 is a wasteful number, since it uses less digits than its factorization.

2198401206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11008.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 2198401206 is about 46887.1112993752. Note that the first 3 decimals coincide. The cubic root of 2198401206 is about 1300.2763132579.

The spelling of 2198401206 in words is "two billion, one hundred ninety-eight million, four hundred one thousand, two hundred six".