42244130 has 16 divisors (see below), whose sum is σ = 76124664. Its totient is φ = 16878720.

The previous prime is 42244129. The next prime is 42244141. The reversal of 42244130 is 3144224.

It can be written as a sum of positive squares in 4 ways, for example, as 32615521 + 9628609 = 5711^2 + 3103^2 .

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, 10160 + ... + 13700.

Almost surely, 2^42244130 is an apocalyptic number.

42244130 is a deficient number, since it is larger than the sum of its proper divisors (33880534).

42244130 is a wasteful number, since it uses less digits than its factorization.

42244130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4741.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42244130 is about 6499.5484458538. The cubic root of 42244130 is about 348.2748577212.

Adding to 42244130 its reverse (3144224), we get a palindrome (45388354).

The spelling of 42244130 in words is "forty-two million, two hundred forty-four thousand, one hundred thirty".