22240244402 has 4 divisors (see below), whose sum is σ = 33360366606. Its totient is φ = 11120122200.

The previous prime is 22240244321. The next prime is 22240244417. The reversal of 22240244402 is 20444204222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21981324121 + 258920281 = 148261^2 + 16091^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560061099 + ... + 5560061102.

Almost surely, 2^22240244402 is an apocalyptic number.

22240244402 is a deficient number, since it is larger than the sum of its proper divisors (11120122204).

22240244402 is a wasteful number, since it uses less digits than its factorization.

22240244402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11120122203.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22240244402 its reverse (20444204222), we get a palindrome (42684448624).

The spelling of 22240244402 in words is "twenty-two billion, two hundred forty million, two hundred forty-four thousand, four hundred two".