22212000449 has 2 divisors, whose sum is σ = 22212000450. Its totient is φ = 22212000448.

The previous prime is 22212000439. The next prime is 22212000509. The reversal of 22212000449 is 94400021222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21273681025 + 938319424 = 145855^2 + 30632^2 .

It is a cyclic number.

It is not a de Polignac number, because 22212000449 - 2¹² = 22211996353 is a prime.

It is not a weakly prime, because it can be changed into another prime (22212000439) by changing a digit.

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 as a sum of consecutive naturals, namely, 11106000224 + 11106000225.

It is an arithmetic number, because the mean of its divisors is an integer number (11106000225).

Almost surely, 2^22212000449 is an apocalyptic number.

It is an amenable number.

22212000449 is a deficient number, since it is larger than the sum of its proper divisors (1).

22212000449 is an equidigital number, since it uses as much as digits as its factorization.

22212000449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 22212000449 in words is "twenty-two billion, two hundred twelve million, four hundred forty-nine", and thus it is an aban number.