212224346 has 8 divisors (see below), whose sum is σ = 319936800. Its totient is φ = 105578748.

The previous prime is 212224321. The next prime is 212224351. The reversal of 212224346 is 643422212.

It is a happy number.

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

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 266216 + ... + 267011.

It is an arithmetic number, because the mean of its divisors is an integer number (39992100).

Almost surely, 2^212224346 is an apocalyptic number.

212224346 is a deficient number, since it is larger than the sum of its proper divisors (107712454).

212224346 is a wasteful number, since it uses less digits than its factorization.

212224346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533428.

The product of its digits is 4608, while the sum is 26.

The square root of 212224346 is about 14567.9218147270. The cubic root of 212224346 is about 596.4834541813.

Adding to 212224346 its reverse (643422212), we get a palindrome (855646558).

The spelling of 212224346 in words is "two hundred twelve million, two hundred twenty-four thousand, three hundred forty-six".