2221423304 has 16 divisors (see below), whose sum is σ = 4384388400. Its totient is φ = 1052253072.

The previous prime is 2221423297. The next prime is 2221423307. The reversal of 2221423304 is 4033241222.

It is a self number, because there is not a number n which added to its sum of digits gives 2221423304.

It is not an unprimeable number, because it can be changed into a prime (2221423307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7307162 + ... + 7307465.

It is an arithmetic number, because the mean of its divisors is an integer number (274024275).

Almost surely, 2^2221423304 is an apocalyptic number.

It is an amenable number.

2221423304 is a deficient number, since it is larger than the sum of its proper divisors (2162965096).

2221423304 is a wasteful number, since it uses less digits than its factorization.

2221423304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14614652 (or 14614648 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2221423304 is about 47131.9775099666. The cubic root of 2221423304 is about 1304.7994786905.

Adding to 2221423304 its reverse (4033241222), we get a palindrome (6254664526).

The spelling of 2221423304 in words is "two billion, two hundred twenty-one million, four hundred twenty-three thousand, three hundred four".