220474923 has 8 divisors (see below), whose sum is σ = 298785936. Its totient is φ = 144573600.

The previous prime is 220474913. The next prime is 220474927. The reversal of 220474923 is 329474022.

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

It is not a de Polignac number, because 220474923 - 2¹⁰ = 220473899 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a house number.

It is not an unprimeable number, because it can be changed into a prime (220474927) 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 7 ways as a sum of consecutive naturals, for example, 602208 + ... + 602573.

It is an arithmetic number, because the mean of its divisors is an integer number (37348242).

Almost surely, 2^220474923 is an apocalyptic number.

220474923 is a deficient number, since it is larger than the sum of its proper divisors (78311013).

220474923 is a wasteful number, since it uses less digits than its factorization.

220474923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204845.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 220474923 is about 14848.3979943966. The cubic root of 220474923 is about 604.1151584805.

The spelling of 220474923 in words is "two hundred twenty million, four hundred seventy-four thousand, nine hundred twenty-three".