999113222 has 16 divisors (see below), whose sum is σ = 1587460032. Its totient is φ = 469983360.

The previous prime is 999113221. The next prime is 999113243. The reversal of 999113222 is 222311999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999113221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119408 + ... + 127500.

It is an arithmetic number, because the mean of its divisors is an integer number (99216252).

Almost surely, 2^999113222 is an apocalyptic number.

999113222 is a deficient number, since it is larger than the sum of its proper divisors (588346810).

999113222 is a wasteful number, since it uses less digits than its factorization.

999113222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11743.

The product of its digits is 17496, while the sum is 38.

The square root of 999113222 is about 31608.7523005892. The cubic root of 999113222 is about 999.7043199152.

The spelling of 999113222 in words is "nine hundred ninety-nine million, one hundred thirteen thousand, two hundred twenty-two".