19312082 has 4 divisors (see below), whose sum is σ = 28968126. Its totient is φ = 9656040.

The previous prime is 19312081. The next prime is 19312121. The reversal of 19312082 is 28021391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28021391 = 4637 ⋅6043.

It can be written as a sum of positive squares in only one way, i.e., 14432401 + 4879681 = 3799^2 + 2209^2 .

It is a super-2 number, since 2×19312082² = 745913022349448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (19312081) 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 as a sum of consecutive naturals, namely, 4828019 + ... + 4828022.

Almost surely, 2^19312082 is an apocalyptic number.

19312082 is a deficient number, since it is larger than the sum of its proper divisors (9656044).

19312082 is an equidigital number, since it uses as much as digits as its factorization.

19312082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9656043.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 19312082 is about 4394.5513991760. The cubic root of 19312082 is about 268.2932206884.

The spelling of 19312082 in words is "nineteen million, three hundred twelve thousand, eighty-two".