212968922 has 8 divisors (see below), whose sum is σ = 319618272. Its totient is φ = 106429500.

The previous prime is 212968919. The next prime is 212968939. The reversal of 212968922 is 229869212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 212968922.

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, 22454 + ... + 30497.

It is an arithmetic number, because the mean of its divisors is an integer number (39952284).

Almost surely, 2^212968922 is an apocalyptic number.

212968922 is a deficient number, since it is larger than the sum of its proper divisors (106649350).

212968922 is a wasteful number, since it uses less digits than its factorization.

212968922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54964.

The product of its digits is 62208, while the sum is 41.

The square root of 212968922 is about 14593.4547657503. The cubic root of 212968922 is about 597.1802150778.

The spelling of 212968922 in words is "two hundred twelve million, nine hundred sixty-eight thousand, nine hundred twenty-two".