42334281 has 12 divisors (see below), whose sum is σ = 66708720. Its totient is φ = 25657080.

The previous prime is 42334273. The next prime is 42334289. The reversal of 42334281 is 18243324.

42334281 is a `hidden beast` number, since 4 + 233 + 428 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (42334273) and next prime (42334289).

It is not a de Polignac number, because 42334281 - 2³ = 42334273 is a prime.

It is a super-2 number, since 2×42334281² = 3584382695573922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42334289) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213711 + ... + 213908.

It is an arithmetic number, because the mean of its divisors is an integer number (5559060).

Almost surely, 2^42334281 is an apocalyptic number.

It is an amenable number.

42334281 is a deficient number, since it is larger than the sum of its proper divisors (24374439).

42334281 is a wasteful number, since it uses less digits than its factorization.

42334281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427636 (or 427633 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 42334281 is about 6506.4799238913. The cubic root of 42334281 is about 348.5224267813.

The spelling of 42334281 in words is "forty-two million, three hundred thirty-four thousand, two hundred eighty-one".