42234519 has 4 divisors (see below), whose sum is σ = 56312696. Its totient is φ = 28156344.

The previous prime is 42234503. The next prime is 42234539. The reversal of 42234519 is 91543224.

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

It is not a de Polignac number, because 42234519 - 2⁴ = 42234503 is a prime.

It is a super-2 number, since 2×42234519² = 3567509190322722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42234539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7039084 + ... + 7039089.

It is an arithmetic number, because the mean of its divisors is an integer number (14078174).

Almost surely, 2^42234519 is an apocalyptic number.

42234519 is a deficient number, since it is larger than the sum of its proper divisors (14078177).

42234519 is a wasteful number, since it uses less digits than its factorization.

42234519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14078176.

The product of its digits is 8640, while the sum is 30.

The square root of 42234519 is about 6498.8090447404. The cubic root of 42234519 is about 348.2484436093.

The spelling of 42234519 in words is "forty-two million, two hundred thirty-four thousand, five hundred nineteen".