220424466 has 16 divisors (see below), whose sum is σ = 452764224. Its totient is φ = 71488944.

The previous prime is 220424443. The next prime is 220424471. The reversal of 220424466 is 664424022.

It is a super-2 number, since 2×220424466² = 97173890422770312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496230 + ... + 496673.

It is an arithmetic number, because the mean of its divisors is an integer number (28297764).

Almost surely, 2^220424466 is an apocalyptic number.

220424466 is an abundant number, since it is smaller than the sum of its proper divisors (232339758).

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

220424466 is a wasteful number, since it uses less digits than its factorization.

220424466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992945.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 220424466 is about 14846.6988249914. The cubic root of 220424466 is about 604.0690698464.

Adding to 220424466 its reverse (664424022), we get a palindrome (884848488).

The spelling of 220424466 in words is "two hundred twenty million, four hundred twenty-four thousand, four hundred sixty-six".