42618227 has 4 divisors (see below), whose sum is σ = 42641040. Its totient is φ = 42595416.

The previous prime is 42618223. The next prime is 42618239. The reversal of 42618227 is 72281624.

42618227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 42618227 - 2² = 42618223 is a prime.

It is a super-3 number, since 3×42618227³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 42618193 and 42618202.

It is not an unprimeable number, because it can be changed into a prime (42618223) 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 3 ways as a sum of consecutive naturals, for example, 8327 + ... + 12432.

It is an arithmetic number, because the mean of its divisors is an integer number (10660260).

Almost surely, 2^42618227 is an apocalyptic number.

42618227 is a deficient number, since it is larger than the sum of its proper divisors (22813).

42618227 is a wasteful number, since it uses less digits than its factorization.

42618227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22812.

The product of its digits is 10752, while the sum is 32.

The square root of 42618227 is about 6528.2637048453. The cubic root of 42618227 is about 349.2998984868.

The spelling of 42618227 in words is "forty-two million, six hundred eighteen thousand, two hundred twenty-seven".