212722982 has 8 divisors (see below), whose sum is σ = 324315552. Its totient is φ = 104617800.

The previous prime is 212722967. The next prime is 212722999. The reversal of 212722982 is 289227212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 871694 + ... + 871937.

It is an arithmetic number, because the mean of its divisors is an integer number (40539444).

Almost surely, 2^212722982 is an apocalyptic number.

212722982 is a deficient number, since it is larger than the sum of its proper divisors (111592570).

212722982 is a wasteful number, since it uses less digits than its factorization.

212722982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743694.

The product of its digits is 16128, while the sum is 35.

The square root of 212722982 is about 14585.0259512968. The cubic root of 212722982 is about 596.9502487003.

The spelling of 212722982 in words is "two hundred twelve million, seven hundred twenty-two thousand, nine hundred eighty-two".