9919922 has 8 divisors (see below), whose sum is σ = 15282156. Its totient is φ = 4825872.

The previous prime is 9919883. The next prime is 9919933. The reversal of 9919922 is 2299199.

It can be written as a sum of positive squares in 2 ways, for example, as 9916201 + 3721 = 3149^2 + 61^2 .

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 9919922.

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, 66953 + ... + 67100.

Almost surely, 2^9919922 is an apocalyptic number.

9919922 is a deficient number, since it is larger than the sum of its proper divisors (5362234).

9919922 is a wasteful number, since it uses less digits than its factorization.

9919922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134092.

The product of its digits is 26244, while the sum is 41.

The square root of 9919922 is about 3149.5907670680. The cubic root of 9919922 is about 214.8668510358.

The spelling of 9919922 in words is "nine million, nine hundred nineteen thousand, nine hundred twenty-two".