212444449 has 12 divisors (see below), whose sum is σ = 247556928. Its totient is φ = 181780200.

The previous prime is 212444437. The next prime is 212444473. The reversal of 212444449 is 944444212.

It is not a de Polignac number, because 212444449 - 2⁷ = 212444321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212444429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27484 + ... + 34354.

It is an arithmetic number, because the mean of its divisors is an integer number (20629744).

Almost surely, 2^212444449 is an apocalyptic number.

It is an amenable number.

212444449 is a deficient number, since it is larger than the sum of its proper divisors (35112479).

212444449 is an equidigital number, since it uses as much as digits as its factorization.

212444449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516 (or 7509 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

The square root of 212444449 is about 14575.4742289917. The cubic root of 212444449 is about 596.6895920712.

The spelling of 212444449 in words is "two hundred twelve million, four hundred forty-four thousand, four hundred forty-nine".