2221312204 has 24 divisors (see below), whose sum is σ = 3951180800. Its totient is φ = 1092508560.

The previous prime is 2221312153. The next prime is 2221312229. The reversal of 2221312204 is 4022131222.

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, 72667 + ... + 98605.

Almost surely, 2^2221312204 is an apocalyptic number.

It is an amenable number.

2221312204 is a deficient number, since it is larger than the sum of its proper divisors (1729868596).

2221312204 is a wasteful number, since it uses less digits than its factorization.

2221312204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26293 (or 26291 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2221312204 is about 47130.7988898979. The cubic root of 2221312204 is about 1304.7777260243. Note that the first 4 decimals are identical.

Adding to 2221312204 its reverse (4022131222), we get a palindrome (6243443426).

The spelling of 2221312204 in words is "two billion, two hundred twenty-one million, three hundred twelve thousand, two hundred four".