220445608 has 16 divisors (see below), whose sum is σ = 414420480. Its totient is φ = 109933488.

The previous prime is 220445597. The next prime is 220445609. The reversal of 220445608 is 806544022.

It is a self number, because there is not a number n which added to its sum of digits gives 220445608.

It is not an unprimeable number, because it can be changed into a prime (220445609) 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, 32910 + ... + 39037.

It is an arithmetic number, because the mean of its divisors is an integer number (25901280).

Almost surely, 2^220445608 is an apocalyptic number.

It is an amenable number.

220445608 is a deficient number, since it is larger than the sum of its proper divisors (193974872).

220445608 is a wasteful number, since it uses less digits than its factorization.

220445608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72336 (or 72332 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 220445608 is about 14847.4108180517. The cubic root of 220445608 is about 604.0883823124.

The spelling of 220445608 in words is "two hundred twenty million, four hundred forty-five thousand, six hundred eight".