1992022 has 4 divisors (see below), whose sum is σ = 2988036. Its totient is φ = 996010.

The previous prime is 1991999. The next prime is 1992031. The reversal of 1992022 is 2202991.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498004 + ... + 498007.

It is an arithmetic number, because the mean of its divisors is an integer number (747009).

2^1992022 is an apocalyptic number.

1992022 is a deficient number, since it is larger than the sum of its proper divisors (996014).

1992022 is an equidigital number, since it uses as much as digits as its factorization.

1992022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996013.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 1992022 is about 1411.3900949064. The cubic root of 1992022 is about 125.8243542365.

The spelling of 1992022 in words is "one million, nine hundred ninety-two thousand, twenty-two".