42223015 has 8 divisors (see below), whose sum is σ = 51116688. Its totient is φ = 33479040.

The previous prime is 42223007. The next prime is 42223021. The reversal of 42223015 is 51032224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42223015 - 2³ = 42223007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42222983 and 42223001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36801 + ... + 37930.

It is an arithmetic number, because the mean of its divisors is an integer number (6389586).

Almost surely, 2^42223015 is an apocalyptic number.

42223015 is a deficient number, since it is larger than the sum of its proper divisors (8893673).

42223015 is a wasteful number, since it uses less digits than its factorization.

42223015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74849.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 42223015 is about 6497.9238992158. The cubic root of 42223015 is about 348.2168216565.

Adding to 42223015 its reverse (51032224), we get a palindrome (93255239).

The spelling of 42223015 in words is "forty-two million, two hundred twenty-three thousand, fifteen".