220783448 has 16 divisors (see below), whose sum is σ = 416608080. Its totient is φ = 109687968.

The previous prime is 220783447. The next prime is 220783469. The reversal of 220783448 is 844387022.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220783447) 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, 86636 + ... + 89147.

It is an arithmetic number, because the mean of its divisors is an integer number (26038005).

Almost surely, 2^220783448 is an apocalyptic number.

It is an amenable number.

220783448 is a deficient number, since it is larger than the sum of its proper divisors (195824632).

220783448 is a wasteful number, since it uses less digits than its factorization.

220783448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175946 (or 175942 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 38.

The square root of 220783448 is about 14858.7835302894. The cubic root of 220783448 is about 604.3968197751.

The spelling of 220783448 in words is "two hundred twenty million, seven hundred eighty-three thousand, four hundred forty-eight".