220404466 has 16 divisors (see below), whose sum is σ = 345043800. Its totient is φ = 105457408.

The previous prime is 220404433. The next prime is 220404493. The reversal of 220404466 is 664404022.

220404466 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 89965225 + 130439241 = 9485^2 + 11421^2 .

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, 10261 + ... + 23368.

Almost surely, 2^220404466 is an apocalyptic number.

220404466 is a deficient number, since it is larger than the sum of its proper divisors (124639334).

220404466 is a wasteful number, since it uses less digits than its factorization.

220404466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33773.

The product of its (nonzero) digits is 9216, while the sum is 28.

The square root of 220404466 is about 14846.0252593076. The cubic root of 220404466 is about 604.0507994202.

Adding to 220404466 its reverse (664404022), we get a palindrome (884808488).

The spelling of 220404466 in words is "two hundred twenty million, four hundred four thousand, four hundred sixty-six".