992222 has 32 divisors (see below), whose sum is σ = 1969920. Its totient is φ = 362880.

The previous prime is 992219. The next prime is 992231. The reversal of 992222 is 222299.

It is a nialpdrome in base 10.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 992191 and 992200.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2429 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (61560).

2⁹⁹²²²² is an apocalyptic number.

992222 is a deficient number, since it is larger than the sum of its proper divisors (977698).

992222 is a wasteful number, since it uses less digits than its factorization.

992222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416.

The product of its digits is 1296, while the sum is 26.

The square root of 992222 is about 996.1034082865. The cubic root of 992222 is about 99.7400582215.

The spelling of 992222 in words is "nine hundred ninety-two thousand, two hundred twenty-two".