212244334 has 4 divisors (see below), whose sum is σ = 318366504. Its totient is φ = 106122166.

The previous prime is 212244317. The next prime is 212244341. The reversal of 212244334 is 433442212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×212244334³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 212244299 and 212244308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53061082 + ... + 53061085.

It is an arithmetic number, because the mean of its divisors is an integer number (79591626).

Almost surely, 2^212244334 is an apocalyptic number.

212244334 is a deficient number, since it is larger than the sum of its proper divisors (106122170).

212244334 is a wasteful number, since it uses less digits than its factorization.

212244334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106122169.

The product of its digits is 4608, while the sum is 25.

The square root of 212244334 is about 14568.6078264191. The cubic root of 212244334 is about 596.5021798636.

Adding to 212244334 its reverse (433442212), we get a palindrome (645686546).

The spelling of 212244334 in words is "two hundred twelve million, two hundred forty-four thousand, three hundred thirty-four".