211342444 has 6 divisors (see below), whose sum is σ = 369849284. Its totient is φ = 105671220.

The previous prime is 211342403. The next prime is 211342447. The reversal of 211342444 is 444243112.

It is not an unprimeable number, because it can be changed into a prime (211342447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26417802 + ... + 26417809.

Almost surely, 2^211342444 is an apocalyptic number.

It is an amenable number.

211342444 is a deficient number, since it is larger than the sum of its proper divisors (158506840).

211342444 is a wasteful number, since it uses less digits than its factorization.

211342444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52835615 (or 52835613 counting only the distinct ones).

The product of its digits is 3072, while the sum is 25.

The square root of 211342444 is about 14537.6216761890. The cubic root of 211342444 is about 595.6560745646.

Adding to 211342444 its reverse (444243112), we get a palindrome (655585556).

The spelling of 211342444 in words is "two hundred eleven million, three hundred forty-two thousand, four hundred forty-four".