2221301304 has 48 divisors (see below), whose sum is σ = 6018394200. Its totient is φ = 740142144.

The previous prime is 2221301279. The next prime is 2221301309. The reversal of 2221301304 is 4031031222.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221301309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 255867 + ... + 264405.

Almost surely, 2^2221301304 is an apocalyptic number.

2221301304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2221301304 is an abundant number, since it is smaller than the sum of its proper divisors (3797092896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2221301304 is a wasteful number, since it uses less digits than its factorization.

2221301304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12164 (or 12157 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2221301304 is about 47130.6832541180. The cubic root of 2221301304 is about 1304.7755918353.

Adding to 2221301304 its reverse (4031031222), we get a palindrome (6252332526).

The spelling of 2221301304 in words is "two billion, two hundred twenty-one million, three hundred one thousand, three hundred four".