212000822 has 32 divisors (see below), whose sum is σ = 367476480. Its totient is φ = 90715680.

The previous prime is 212000813. The next prime is 212000827. The reversal of 212000822 is 228000212.

It is a self number, because there is not a number n which added to its sum of digits gives 212000822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212000827) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68288 + ... + 71324.

It is an arithmetic number, because the mean of its divisors is an integer number (11483640).

Almost surely, 2^212000822 is an apocalyptic number.

212000822 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

212000822 is a deficient number, since it is larger than the sum of its proper divisors (155475658).

212000822 is a wasteful number, since it uses less digits than its factorization.

212000822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3236.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 212000822 is about 14560.2480061296. The cubic root of 212000822 is about 596.2739664284.

The spelling of 212000822 in words is "two hundred twelve million, eight hundred twenty-two", and thus it is an aban number.