22304443402 has 8 divisors (see below), whose sum is σ = 34610343300. Its totient is φ = 10767662304.

The previous prime is 22304443351. The next prime is 22304443417. The reversal of 22304443402 is 20434440322.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 20601147961 + 1703295441 = 143531^2 + 41271^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192279627 + ... + 192279742.

Almost surely, 2^22304443402 is an apocalyptic number.

22304443402 is a deficient number, since it is larger than the sum of its proper divisors (12305899898).

22304443402 is a wasteful number, since it uses less digits than its factorization.

22304443402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384559400.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 22304443402 its reverse (20434440322), we get a palindrome (42738883724).

The spelling of 22304443402 in words is "twenty-two billion, three hundred four million, four hundred forty-three thousand, four hundred two".