2220226844 has 24 divisors (see below), whose sum is σ = 4280589936. Its totient is φ = 999200000.

The previous prime is 2220226787. The next prime is 2220226909. The reversal of 2220226844 is 4486220222.

It is a self number, because there is not a number n which added to its sum of digits gives 2220226844.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245357 + ... + 254244.

It is an arithmetic number, because the mean of its divisors is an integer number (178357914).

Almost surely, 2^2220226844 is an apocalyptic number.

It is an amenable number.

2220226844 is a deficient number, since it is larger than the sum of its proper divisors (2060363092).

2220226844 is a wasteful number, since it uses less digits than its factorization.

2220226844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499717 (or 499715 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The square root of 2220226844 is about 47119.2831439529. The cubic root of 2220226844 is about 1304.5651813457.

The spelling of 2220226844 in words is "two billion, two hundred twenty million, two hundred twenty-six thousand, eight hundred forty-four".