212141422 has 16 divisors (see below), whose sum is σ = 335759760. Its totient is φ = 100248192.

The previous prime is 212141417. The next prime is 212141429. The reversal of 212141422 is 224141212.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 212141422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212141429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10008 + ... + 22900.

It is an arithmetic number, because the mean of its divisors is an integer number (20984985).

Almost surely, 2^212141422 is an apocalyptic number.

212141422 is a deficient number, since it is larger than the sum of its proper divisors (123618338).

212141422 is a wasteful number, since it uses less digits than its factorization.

212141422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13347.

The product of its digits is 256, while the sum is 19.

The square root of 212141422 is about 14565.0754203334. The cubic root of 212141422 is about 596.4057545856.

Adding to 212141422 its reverse (224141212), we get a palindrome (436282634).

The spelling of 212141422 in words is "two hundred twelve million, one hundred forty-one thousand, four hundred twenty-two".