42915227 has 8 divisors (see below), whose sum is σ = 44260272. Its totient is φ = 41580000.

The previous prime is 42915211. The next prime is 42915251. The reversal of 42915227 is 72251924.

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 42915227 - 2⁴ = 42915211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42915193 and 42915202.

It is not an unprimeable number, because it can be changed into a prime (42915727) 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, 6977 + ... + 11597.

It is an arithmetic number, because the mean of its divisors is an integer number (5532534).

Almost surely, 2^42915227 is an apocalyptic number.

42915227 is a deficient number, since it is larger than the sum of its proper divisors (1345045).

42915227 is a wasteful number, since it uses less digits than its factorization.

42915227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4909.

The product of its digits is 10080, while the sum is 32.

The square root of 42915227 is about 6550.9714546775. The cubic root of 42915227 is about 350.1094270087.

The spelling of 42915227 in words is "forty-two million, nine hundred fifteen thousand, two hundred twenty-seven".