2221303204 has 12 divisors (see below), whose sum is σ = 3915655884. Its totient is φ = 1102544384.

The previous prime is 2221303163. The next prime is 2221303211. The reversal of 2221303204 is 4023031222.

It can be written as a sum of positive squares in 2 ways, for example, as 1907942400 + 313360804 = 43680^2 + 17702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2026189 + ... + 2027284.

It is an arithmetic number, because the mean of its divisors is an integer number (326304657).

Almost surely, 2^2221303204 is an apocalyptic number.

It is an amenable number.

2221303204 is a deficient number, since it is larger than the sum of its proper divisors (1694352680).

2221303204 is a wasteful number, since it uses less digits than its factorization.

2221303204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053614 (or 4053612 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 2221303204 is about 47130.7034108340. The cubic root of 2221303204 is about 1304.7759638504.

Adding to 2221303204 its reverse (4023031222), we get a palindrome (6244334426).

The spelling of 2221303204 in words is "two billion, two hundred twenty-one million, three hundred three thousand, two hundred four".