220880447 has 8 divisors (see below), whose sum is σ = 222222912. Its totient is φ = 219542400.

The previous prime is 220880419. The next prime is 220880479. The reversal of 220880447 is 744088022.

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

It is a cyclic number.

It is not a de Polignac number, because 220880447 - 2⁶ = 220880383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220880147) by changing a digit.

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, 166547 + ... + 167867.

It is an arithmetic number, because the mean of its divisors is an integer number (27777864).

Almost surely, 2^220880447 is an apocalyptic number.

220880447 is a deficient number, since it is larger than the sum of its proper divisors (1342465).

220880447 is a wasteful number, since it uses less digits than its factorization.

220880447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2209.

The product of its (nonzero) digits is 28672, while the sum is 35.

The square root of 220880447 is about 14862.0472008401. The cubic root of 220880447 is about 604.4853187156.

The spelling of 220880447 in words is "two hundred twenty million, eight hundred eighty thousand, four hundred forty-seven".