19331242 has 32 divisors (see below), whose sum is σ = 34604928. Its totient is φ = 7926336.

The previous prime is 19331237. The next prime is 19331251. The reversal of 19331242 is 24213391.

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, 34428 + ... + 34984.

It is an arithmetic number, because the mean of its divisors is an integer number (1081404).

Almost surely, 2^19331242 is an apocalyptic number.

19331242 is a deficient number, since it is larger than the sum of its proper divisors (15273686).

19331242 is a wasteful number, since it uses less digits than its factorization.

19331242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670.

The product of its digits is 1296, while the sum is 25.

The square root of 19331242 is about 4396.7308309698. The cubic root of 19331242 is about 268.3819181687.

The spelling of 19331242 in words is "nineteen million, three hundred thirty-one thousand, two hundred forty-two".