42217275 has 12 divisors (see below), whose sum is σ = 69799352. Its totient is φ = 22515840.

The previous prime is 42217237. The next prime is 42217277. The reversal of 42217275 is 57271224.

42217275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42217275 - 2⁶ = 42217211 is a prime.

It is a super-3 number, since 3×42217275³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42217277) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 281374 + ... + 281523.

Almost surely, 2^42217275 is an apocalyptic number.

42217275 is a deficient number, since it is larger than the sum of its proper divisors (27582077).

42217275 is a wasteful number, since it uses less digits than its factorization.

42217275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562910 (or 562905 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 42217275 is about 6497.4822046697. The cubic root of 42217275 is about 348.2010415175.

Adding to 42217275 its reverse (57271224), we get a palindrome (99488499).

The spelling of 42217275 in words is "forty-two million, two hundred seventeen thousand, two hundred seventy-five".