212826422 has 8 divisors (see below), whose sum is σ = 320021400. Its totient is φ = 106152624.

The previous prime is 212826421. The next prime is 212826433. The reversal of 212826422 is 224628212.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212826421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129272 + ... + 130907.

It is an arithmetic number, because the mean of its divisors is an integer number (40002675).

Almost surely, 2^212826422 is an apocalyptic number.

212826422 is a deficient number, since it is larger than the sum of its proper divisors (107194978).

212826422 is a wasteful number, since it uses less digits than its factorization.

212826422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260590.

The product of its digits is 6144, while the sum is 29.

The square root of 212826422 is about 14588.5716230205. The cubic root of 212826422 is about 597.0469919343.

The spelling of 212826422 in words is "two hundred twelve million, eight hundred twenty-six thousand, four hundred twenty-two".