42281227 has 16 divisors (see below), whose sum is σ = 46049472. Its totient is φ = 38671360.

The previous prime is 42281207. The next prime is 42281231. The reversal of 42281227 is 72218224.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42281227 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42281195 and 42281204.

It is not an unprimeable number, because it can be changed into a prime (42281207) 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, 150327 + ... + 150607.

It is an arithmetic number, because the mean of its divisors is an integer number (2878092).

Almost surely, 2^42281227 is an apocalyptic number.

42281227 is a deficient number, since it is larger than the sum of its proper divisors (3768245).

42281227 is a wasteful number, since it uses less digits than its factorization.

42281227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518.

The product of its digits is 3584, while the sum is 28.

The square root of 42281227 is about 6502.4016332429. The cubic root of 42281227 is about 348.3767746213.

The spelling of 42281227 in words is "forty-two million, two hundred eighty-one thousand, two hundred twenty-seven".