42282187 has 8 divisors (see below), whose sum is σ = 43278912. Its totient is φ = 41289600.

The previous prime is 42282169. The next prime is 42282199. The reversal of 42282187 is 78128224.

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

It is a cyclic number.

It is not a de Polignac number, because 42282187 - 2¹⁵ = 42249419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42282167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30387 + ... + 31747.

It is an arithmetic number, because the mean of its divisors is an integer number (5409864).

Almost surely, 2^42282187 is an apocalyptic number.

42282187 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

42282187 is a deficient number, since it is larger than the sum of its proper divisors (996725).

42282187 is a wasteful number, since it uses less digits than its factorization.

42282187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069.

The product of its digits is 14336, while the sum is 34.

The square root of 42282187 is about 6502.4754517030. The cubic root of 42282187 is about 348.3794112459.

The spelling of 42282187 in words is "forty-two million, two hundred eighty-two thousand, one hundred eighty-seven".