212442414 has 8 divisors (see below), whose sum is σ = 424884840. Its totient is φ = 70814136.

The previous prime is 212442413. The next prime is 212442427. The reversal of 212442414 is 414244212.

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

212442414 is an admirable number.

It is a super-2 number, since 2×212442414² = 90263558532294792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212442413) 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, 17703529 + ... + 17703540.

It is an arithmetic number, because the mean of its divisors is an integer number (53110605).

Almost surely, 2^212442414 is an apocalyptic number.

212442414 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212442414 is a wasteful number, since it uses less digits than its factorization.

212442414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35407074.

The product of its digits is 2048, while the sum is 24.

The square root of 212442414 is about 14575.4044197751. The cubic root of 212442414 is about 596.6876868403.

Adding to 212442414 its reverse (414244212), we get a palindrome (626686626).

The spelling of 212442414 in words is "two hundred twelve million, four hundred forty-two thousand, four hundred fourteen".