2220404224 has 20 divisors (see below), whose sum is σ = 4436472744. Its totient is φ = 1110201856.

The previous prime is 2220404203. The next prime is 2220404231. The reversal of 2220404224 is 4224040222.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2220404195 and 2220404204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2167852 + ... + 2168875.

Almost surely, 2^2220404224 is an apocalyptic number.

It is an amenable number.

2220404224 is a deficient number, since it is larger than the sum of its proper divisors (2216068520).

2220404224 is an frugal number, since it uses more digits than its factorization.

2220404224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4336745 (or 4336729 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 2220404224 is about 47121.1653506150. The cubic root of 2220404224 is about 1304.5999221817.

Adding to 2220404224 its reverse (4224040222), we get a palindrome (6444444446).

The spelling of 2220404224 in words is "two billion, two hundred twenty million, four hundred four thousand, two hundred twenty-four".