9999422 has 8 divisors (see below), whose sum is σ = 15483072. Its totient is φ = 4838400.

The previous prime is 9999419. The next prime is 9999433. The reversal of 9999422 is 2249999.

9999422 = T₃₃₈ + T₃₃₉ + ... + T₄₆₁.

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

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80579 + ... + 80702.

It is an arithmetic number, because the mean of its divisors is an integer number (1935384).

Almost surely, 2^9999422 is an apocalyptic number.

9999422 is a deficient number, since it is larger than the sum of its proper divisors (5483650).

9999422 is a wasteful number, since it uses less digits than its factorization.

9999422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161314.

The product of its digits is 104976, while the sum is 44.

The square root of 9999422 is about 3162.1862690234. The cubic root of 9999422 is about 215.4393180457.

The spelling of 9999422 in words is "nine million, nine hundred ninety-nine thousand, four hundred twenty-two".