220574424 has 128 divisors (see below), whose sum is σ = 667054080. Its totient is φ = 59443200.

The previous prime is 220574423. The next prime is 220574441. The reversal of 220574424 is 424475022.

220574424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 220574391 and 220574400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220574423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213012 + ... + 214044.

It is an arithmetic number, because the mean of its divisors is an integer number (5211360).

Almost surely, 2^220574424 is an apocalyptic number.

220574424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220574424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333527040).

220574424 is an abundant number, since it is smaller than the sum of its proper divisors (446479656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220574424 is a wasteful number, since it uses less digits than its factorization.

220574424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 30.

The square root of 220574424 is about 14851.7481799282. The cubic root of 220574424 is about 604.2060244790.

The spelling of 220574424 in words is "two hundred twenty million, five hundred seventy-four thousand, four hundred twenty-four".