42230217 has 16 divisors (see below), whose sum is σ = 59616000. Its totient is φ = 26516304.

The previous prime is 42230213. The next prime is 42230219. The reversal of 42230217 is 71203224.

It is not a de Polignac number, because 42230217 - 2² = 42230213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42230193 and 42230202.

It is not an unprimeable number, because it can be changed into a prime (42230213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8134 + ... + 12272.

It is an arithmetic number, because the mean of its divisors is an integer number (3726000).

Almost surely, 2^42230217 is an apocalyptic number.

It is an amenable number.

42230217 is a deficient number, since it is larger than the sum of its proper divisors (17385783).

42230217 is a wasteful number, since it uses less digits than its factorization.

42230217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4340.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 42230217 is about 6498.4780525905. The cubic root of 42230217 is about 348.2366190346.

The spelling of 42230217 in words is "forty-two million, two hundred thirty thousand, two hundred seventeen".