999962222 has 16 divisors (see below), whose sum is σ = 1760552160. Its totient is φ = 416972448.

The previous prime is 999962209. The next prime is 999962231. The reversal of 999962222 is 222269999.

It is a happy number.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 964697 + ... + 965732.

It is an arithmetic number, because the mean of its divisors is an integer number (110034510).

Almost surely, 2^999962222 is an apocalyptic number.

999962222 is a deficient number, since it is larger than the sum of its proper divisors (760589938).

999962222 is a wasteful number, since it uses less digits than its factorization.

999962222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1930475.

The product of its digits is 629856, while the sum is 50.

The square root of 999962222 is about 31622.1792734150. The cubic root of 999962222 is about 999.9874071748.

The spelling of 999962222 in words is "nine hundred ninety-nine million, nine hundred sixty-two thousand, two hundred twenty-two".