212204441 has 8 divisors (see below), whose sum is σ = 217418784. Its totient is φ = 207002880.

The previous prime is 212204429. The next prime is 212204449. The reversal of 212204441 is 144402212.

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

It is a cyclic number.

It is not a de Polignac number, because 212204441 - 2¹⁴ = 212188057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212204449) 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 in 7 ways as a sum of consecutive naturals, for example, 36281 + ... + 41721.

It is an arithmetic number, because the mean of its divisors is an integer number (27177348).

Almost surely, 2^212204441 is an apocalyptic number.

It is an amenable number.

212204441 is a deficient number, since it is larger than the sum of its proper divisors (5214343).

212204441 is an equidigital number, since it uses as much as digits as its factorization.

212204441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 212204441 is about 14567.2386195874. The cubic root of 212204441 is about 596.4648050888.

Adding to 212204441 its reverse (144402212), we get a palindrome (356606653).

The spelling of 212204441 in words is "two hundred twelve million, two hundred four thousand, four hundred forty-one".