220584442 has 16 divisors (see below), whose sum is σ = 363912192. Its totient is φ = 99641520.

The previous prime is 220584439. The next prime is 220584451. The reversal of 220584442 is 244485022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89034 + ... + 91477.

It is an arithmetic number, because the mean of its divisors is an integer number (22744512).

Almost surely, 2^220584442 is an apocalyptic number.

220584442 is a deficient number, since it is larger than the sum of its proper divisors (143327750).

220584442 is a wasteful number, since it uses less digits than its factorization.

220584442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180573.

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 220584442 is about 14852.0854427922. The cubic root of 220584442 is about 604.2151715720.

The spelling of 220584442 in words is "two hundred twenty million, five hundred eighty-four thousand, four hundred forty-two".