22300440212 has 12 divisors (see below), whose sum is σ = 39241383636. Its totient is φ = 11088616320.

The previous prime is 22300440199. The next prime is 22300440223. The reversal of 22300440212 is 21204400322.

It can be written as a sum of positive squares in 2 ways, for example, as 5678526736 + 16621913476 = 75356^2 + 128926^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15400133 + ... + 15401580.

It is an arithmetic number, because the mean of its divisors is an integer number (3270115303).

Almost surely, 2^22300440212 is an apocalyptic number.

It is an amenable number.

22300440212 is a deficient number, since it is larger than the sum of its proper divisors (16940943424).

22300440212 is a wasteful number, since it uses less digits than its factorization.

22300440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30801898 (or 30801896 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22300440212 its reverse (21204400322), we get a palindrome (43504840534).

The spelling of 22300440212 in words is "twenty-two billion, three hundred million, four hundred forty thousand, two hundred twelve".