212822196 has 24 divisors (see below), whose sum is σ = 498944544. Its totient is φ = 70603680.

The previous prime is 212822191. The next prime is 212822219. The reversal of 212822196 is 691228212.

It is a super-2 number, since 2×212822196² = 90586574220524832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212822191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39495 + ... + 44558.

It is an arithmetic number, because the mean of its divisors is an integer number (20789356).

Almost surely, 2^212822196 is an apocalyptic number.

It is an amenable number.

212822196 is an abundant number, since it is smaller than the sum of its proper divisors (286122348).

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

212822196 is a wasteful number, since it uses less digits than its factorization.

212822196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84271 (or 84269 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 212822196 is about 14588.4267828988. The cubic root of 212822196 is about 597.0430401422.

The spelling of 212822196 in words is "two hundred twelve million, eight hundred twenty-two thousand, one hundred ninety-six".