2220899806 has 8 divisors (see below), whose sum is σ = 3339914760. Its totient is φ = 1107594888.

The previous prime is 2220899761. The next prime is 2220899843. The reversal of 2220899806 is 6089980222.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1426536 + ... + 1428091.

It is an arithmetic number, because the mean of its divisors is an integer number (417489345).

Almost surely, 2^2220899806 is an apocalyptic number.

2220899806 is a deficient number, since it is larger than the sum of its proper divisors (1119014954).

2220899806 is a wasteful number, since it uses less digits than its factorization.

2220899806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855018.

The product of its (nonzero) digits is 248832, while the sum is 46.

The square root of 2220899806 is about 47126.4236495833. The cubic root of 2220899806 is about 1304.6969748019.

The spelling of 2220899806 in words is "two billion, two hundred twenty million, eight hundred ninety-nine thousand, eight hundred six".