212344442 has 8 divisors (see below), whose sum is σ = 318587232. Its totient is φ = 106148700.

The previous prime is 212344439. The next prime is 212344459. The reversal of 212344442 is 244443212.

It is a happy number.

212344442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3467 + ... + 20897.

It is an arithmetic number, because the mean of its divisors is an integer number (39823404).

Almost surely, 2^212344442 is an apocalyptic number.

212344442 is a deficient number, since it is larger than the sum of its proper divisors (106242790).

212344442 is a wasteful number, since it uses less digits than its factorization.

212344442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23524.

The product of its digits is 6144, while the sum is 26.

The square root of 212344442 is about 14572.0431649100. The cubic root of 212344442 is about 596.5959479800.

Adding to 212344442 its reverse (244443212), we get a palindrome (456787654).

The spelling of 212344442 in words is "two hundred twelve million, three hundred forty-four thousand, four hundred forty-two".