42227434 has 16 divisors (see below), whose sum is σ = 65952648. Its totient is φ = 20259072.

The previous prime is 42227429. The next prime is 42227461. The reversal of 42227434 is 43472224.

It can be written as a sum of positive squares in 4 ways, for example, as 32524209 + 9703225 = 5703^2 + 3115^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1494 + ... + 9310.

Almost surely, 2^42227434 is an apocalyptic number.

42227434 is a deficient number, since it is larger than the sum of its proper divisors (23725214).

42227434 is a wasteful number, since it uses less digits than its factorization.

42227434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7929.

The product of its digits is 10752, while the sum is 28.

The square root of 42227434 is about 6498.2639220026. The cubic root of 42227434 is about 348.2289691899.

Adding to 42227434 its reverse (43472224), we get a palindrome (85699658).

The spelling of 42227434 in words is "forty-two million, two hundred twenty-seven thousand, four hundred thirty-four".