220448814 has 8 divisors (see below), whose sum is σ = 440897640. Its totient is φ = 73482936.

The previous prime is 220448779. The next prime is 220448819. The reversal of 220448814 is 418844022.

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

220448814 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220448819) 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 3 ways as a sum of consecutive naturals, for example, 18370729 + ... + 18370740.

It is an arithmetic number, because the mean of its divisors is an integer number (55112205).

Almost surely, 2^220448814 is an apocalyptic number.

220448814 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

220448814 is a wasteful number, since it uses less digits than its factorization.

220448814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36741474.

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 220448814 is about 14847.5187826115. The cubic root of 220448814 is about 604.0913107716.

The spelling of 220448814 in words is "two hundred twenty million, four hundred forty-eight thousand, eight hundred fourteen".