42266247 has 8 divisors (see below), whose sum is σ = 57878256. Its totient is φ = 27415872.

The previous prime is 42266239. The next prime is 42266269. The reversal of 42266247 is 74266224.

42266247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42266247 - 2³ = 42266239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42266227) 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 7 ways as a sum of consecutive naturals, for example, 190278 + ... + 190499.

It is an arithmetic number, because the mean of its divisors is an integer number (7234782).

Almost surely, 2^42266247 is an apocalyptic number.

42266247 is a deficient number, since it is larger than the sum of its proper divisors (15612009).

42266247 is a wasteful number, since it uses less digits than its factorization.

42266247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380817.

The product of its digits is 32256, while the sum is 33.

The square root of 42266247 is about 6501.2496491059. The cubic root of 42266247 is about 348.3356271200.

The spelling of 42266247 in words is "forty-two million, two hundred sixty-six thousand, two hundred forty-seven".