448220243 has 4 divisors (see below), whose sum is σ = 448347120. Its totient is φ = 448093368.

The previous prime is 448220239. The next prime is 448220281. The reversal of 448220243 is 342022844.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 448220243 - 2² = 448220239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (448220743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57983 + ... + 65256.

It is an arithmetic number, because the mean of its divisors is an integer number (112086780).

Almost surely, 2^448220243 is an apocalyptic number.

448220243 is a deficient number, since it is larger than the sum of its proper divisors (126877).

448220243 is a wasteful number, since it uses less digits than its factorization.

448220243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126876.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 448220243 is about 21171.2126010770. The cubic root of 448220243 is about 765.2978423592.

The spelling of 448220243 in words is "four hundred forty-eight million, two hundred twenty thousand, two hundred forty-three".