212212322 has 8 divisors (see below), whose sum is σ = 363792576. Its totient is φ = 90948132.

The previous prime is 212212313. The next prime is 212212331. The reversal of 212212322 is 223212212.

It is an interprime number because it is at equal distance from previous prime (212212313) and next prime (212212331).

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

It is a self number, because there is not a number n which added to its sum of digits gives 212212322.

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, 7578998 + ... + 7579025.

It is an arithmetic number, because the mean of its divisors is an integer number (45474072).

Almost surely, 2^212212322 is an apocalyptic number.

212212322 is a deficient number, since it is larger than the sum of its proper divisors (151580254).

212212322 is a wasteful number, since it uses less digits than its factorization.

212212322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15158032.

The product of its digits is 192, while the sum is 17.

The square root of 212212322 is about 14567.5091213289. The cubic root of 212212322 is about 596.4721889760.

Adding to 212212322 its reverse (223212212), we get a palindrome (435424534).

The spelling of 212212322 in words is "two hundred twelve million, two hundred twelve thousand, three hundred twenty-two".