42242827 has 4 divisors (see below), whose sum is σ = 46083096. Its totient is φ = 38402560.

The previous prime is 42242803. The next prime is 42242831. The reversal of 42242827 is 72824224.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42242827 - 2⁷ = 42242699 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42242887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920118 + ... + 1920139.

It is an arithmetic number, because the mean of its divisors is an integer number (11520774).

Almost surely, 2^42242827 is an apocalyptic number.

42242827 is a deficient number, since it is larger than the sum of its proper divisors (3840269).

42242827 is a wasteful number, since it uses less digits than its factorization.

42242827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840268.

The product of its digits is 14336, while the sum is 31.

The square root of 42242827 is about 6499.4482073481. The cubic root of 42242827 is about 348.2712768939.

The spelling of 42242827 in words is "forty-two million, two hundred forty-two thousand, eight hundred twenty-seven".