1992722 has 4 divisors (see below), whose sum is σ = 2989086. Its totient is φ = 996360.

The previous prime is 1992719. The next prime is 1992733. The reversal of 1992722 is 2272991.

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

It can be written as a sum of positive squares in only one way, i.e., 1666681 + 326041 = 1291^2 + 571^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498179 + ... + 498182.

2^1992722 is an apocalyptic number.

1992722 is a deficient number, since it is larger than the sum of its proper divisors (996364).

1992722 is an equidigital number, since it uses as much as digits as its factorization.

1992722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 996363.

The product of its digits is 4536, while the sum is 32.

The square root of 1992722 is about 1411.6380555936. The cubic root of 1992722 is about 125.8390908096.

The spelling of 1992722 in words is "one million, nine hundred ninety-two thousand, seven hundred twenty-two".