19042234 has 4 divisors (see below), whose sum is σ = 28563354. Its totient is φ = 9521116.

The previous prime is 19042223. The next prime is 19042259. The reversal of 19042234 is 43224091.

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., 13505625 + 5536609 = 3675^2 + 2353^2 .

It is a junction number, because it is equal to n+sod(n) for n = 19042199 and 19042208.

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 as a sum of consecutive naturals, namely, 4760557 + ... + 4760560.

Almost surely, 2^19042234 is an apocalyptic number.

19042234 is a deficient number, since it is larger than the sum of its proper divisors (9521120).

19042234 is an equidigital number, since it uses as much as digits as its factorization.

19042234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9521119.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 19042234 is about 4363.7408264011. The cubic root of 19042234 is about 267.0377330747.

It can be divided in two parts, 190 and 42234, that added together give a palindrome (42424).

The spelling of 19042234 in words is "nineteen million, forty-two thousand, two hundred thirty-four".