212822983 has 8 divisors (see below), whose sum is σ = 225952848. Its totient is φ = 199761024.

The previous prime is 212822977. The next prime is 212822999. The reversal of 212822983 is 389228212.

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

It is a cyclic number.

It is not a de Polignac number, because 212822983 - 2²¹ = 210725831 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212822383) 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, 10441 + ... + 23122.

It is an arithmetic number, because the mean of its divisors is an integer number (28244106).

Almost surely, 2^212822983 is an apocalyptic number.

212822983 is a deficient number, since it is larger than the sum of its proper divisors (13129865).

212822983 is a wasteful number, since it uses less digits than its factorization.

212822983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33953.

The product of its digits is 27648, while the sum is 37.

The square root of 212822983 is about 14588.4537563102. The cubic root of 212822983 is about 597.0437760810.

The spelling of 212822983 in words is "two hundred twelve million, eight hundred twenty-two thousand, nine hundred eighty-three".