212230706 has 8 divisors (see below), whose sum is σ = 332187264. Its totient is φ = 101501620.

The previous prime is 212230693. The next prime is 212230717. The reversal of 212230706 is 607032212.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 2306810 + ... + 2306901.

It is an arithmetic number, because the mean of its divisors is an integer number (41523408).

Almost surely, 2^212230706 is an apocalyptic number.

212230706 is a deficient number, since it is larger than the sum of its proper divisors (119956558).

212230706 is a wasteful number, since it uses less digits than its factorization.

212230706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4613736.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 212230706 is about 14568.1401009189. The cubic root of 212230706 is about 596.4894126508.

Adding to 212230706 its reverse (607032212), we get a palindrome (819262918).

The spelling of 212230706 in words is "two hundred twelve million, two hundred thirty thousand, seven hundred six".