999122214 has 8 divisors (see below), whose sum is σ = 1998244440. Its totient is φ = 333040736.

The previous prime is 999122177. The next prime is 999122263. The reversal of 999122214 is 412221999.

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

999122214 is an admirable number.

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, 83260179 + ... + 83260190.

It is an arithmetic number, because the mean of its divisors is an integer number (249780555).

Almost surely, 2^999122214 is an apocalyptic number.

999122214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

999122214 is a wasteful number, since it uses less digits than its factorization.

999122214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166520374.

The product of its digits is 23328, while the sum is 39.

The square root of 999122214 is about 31608.8945393540. The cubic root of 999122214 is about 999.7073190129.

The spelling of 999122214 in words is "nine hundred ninety-nine million, one hundred twenty-two thousand, two hundred fourteen".