42246281 has 16 divisors (see below), whose sum is σ = 53750400. Its totient is φ = 32916240.

The previous prime is 42246271. The next prime is 42246299. The reversal of 42246281 is 18264224.

It is a de Polignac number, because none of the positive numbers 2^k-42246281 is a prime.

It is a super-2 number, since 2×42246281² = 3569496516661922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42246271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1826 + ... + 9371.

It is an arithmetic number, because the mean of its divisors is an integer number (3359400).

Almost surely, 2^42246281 is an apocalyptic number.

It is an amenable number.

42246281 is a deficient number, since it is larger than the sum of its proper divisors (11504119).

42246281 is a wasteful number, since it uses less digits than its factorization.

42246281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11229 (or 11215 counting only the distinct ones).

The product of its digits is 6144, while the sum is 29.

The square root of 42246281 is about 6499.7139167813. The cubic root of 42246281 is about 348.2807688108.

The spelling of 42246281 in words is "forty-two million, two hundred forty-six thousand, two hundred eighty-one".