212822982 has 24 divisors (see below), whose sum is σ = 463139040. Its totient is φ = 70629840.

The previous prime is 212822977. The next prime is 212822999. The reversal of 212822982 is 289228212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 21694 + ... + 29937.

It is an arithmetic number, because the mean of its divisors is an integer number (19297460).

Almost surely, 2^212822982 is an apocalyptic number.

212822982 is an abundant number, since it is smaller than the sum of its proper divisors (250316058).

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

212822982 is a wasteful number, since it uses less digits than its factorization.

212822982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51868 (or 51865 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 212822982 is about 14588.4537220365. The cubic root of 212822982 is about 597.0437751459.

The spelling of 212822982 in words is "two hundred twelve million, eight hundred twenty-two thousand, nine hundred eighty-two".