220662404 has 6 divisors (see below), whose sum is σ = 386159214. Its totient is φ = 110331200.

The previous prime is 220662347. The next prime is 220662427. The reversal of 220662404 is 404266022.

It can be written as a sum of positive squares in only one way, i.e., 171662404 + 49000000 = 13102^2 + 7000^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27582797 + ... + 27582804.

It is an arithmetic number, because the mean of its divisors is an integer number (64359869).

Almost surely, 2^220662404 is an apocalyptic number.

It is an amenable number.

220662404 is a deficient number, since it is larger than the sum of its proper divisors (165496810).

220662404 is a wasteful number, since it uses less digits than its factorization.

220662404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55165605 (or 55165603 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 220662404 is about 14854.7098255065. The cubic root of 220662404 is about 604.2863465444.

The spelling of 220662404 in words is "two hundred twenty million, six hundred sixty-two thousand, four hundred four".