220992443 has 8 divisors (see below), whose sum is σ = 252736512. Its totient is φ = 189291816.

The previous prime is 220992427. The next prime is 220992451. The reversal of 220992443 is 344299022.

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

It is not a de Polignac number, because 220992443 - 2⁴ = 220992427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220992403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 896 + ... + 21042.

It is an arithmetic number, because the mean of its divisors is an integer number (31592064).

Almost surely, 2^220992443 is an apocalyptic number.

220992443 is a deficient number, since it is larger than the sum of its proper divisors (31744069).

220992443 is a wasteful number, since it uses less digits than its factorization.

220992443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21721.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 220992443 is about 14865.8145757305. The cubic root of 220992443 is about 604.5874682413.

It can be divided in two parts, 22099 and 2443, that added together give a palindrome (24542).

The spelling of 220992443 in words is "two hundred twenty million, nine hundred ninety-two thousand, four hundred forty-three".