212241422 has 8 divisors (see below), whose sum is σ = 318425256. Its totient is φ = 106099672.

The previous prime is 212241397. The next prime is 212241427. The reversal of 212241422 is 224142212.

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

It is a junction number, because it is equal to n+sod(n) for n = 212241394 and 212241403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212241427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10448 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (39803157).

Almost surely, 2^212241422 is an apocalyptic number.

212241422 is a deficient number, since it is larger than the sum of its proper divisors (106183834).

212241422 is a wasteful number, since it uses less digits than its factorization.

212241422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21042.

The product of its digits is 512, while the sum is 20.

The square root of 212241422 is about 14568.5078851611. The cubic root of 212241422 is about 596.4994518406.

Adding to 212241422 its reverse (224142212), we get a palindrome (436383634).

The spelling of 212241422 in words is "two hundred twelve million, two hundred forty-one thousand, four hundred twenty-two".