212444471 has 8 divisors (see below), whose sum is σ = 216533760. Its totient is φ = 208382328.

The previous prime is 212444437. The next prime is 212444473. The reversal of 212444471 is 174444212.

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

It is not a de Polignac number, because 212444471 - 2¹⁴ = 212428087 is a prime.

It is a super-3 number, since 3×212444471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212444473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9380 + ... + 22646.

It is an arithmetic number, because the mean of its divisors is an integer number (27066720).

Almost surely, 2^212444471 is an apocalyptic number.

212444471 is a deficient number, since it is larger than the sum of its proper divisors (4089289).

212444471 is a wasteful number, since it uses less digits than its factorization.

212444471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13573.

The product of its digits is 7168, while the sum is 29.

The square root of 212444471 is about 14575.4749836841. The cubic root of 212444471 is about 596.6896126682.

Adding to 212444471 its reverse (174444212), we get a palindrome (386888683).

The spelling of 212444471 in words is "two hundred twelve million, four hundred forty-four thousand, four hundred seventy-one".