42216514 has 16 divisors (see below), whose sum is σ = 65587320. Its totient is φ = 20367360.

The previous prime is 42216487. The next prime is 42216521. The reversal of 42216514 is 41561224.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 19492225 + 22724289 = 4415^2 + 4767^2 .

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, 3202 + ... + 9730.

Almost surely, 2^42216514 is an apocalyptic number.

42216514 is a deficient number, since it is larger than the sum of its proper divisors (23370806).

42216514 is a wasteful number, since it uses less digits than its factorization.

42216514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6645.

The product of its digits is 1920, while the sum is 25.

The square root of 42216514 is about 6497.4236432605. The cubic root of 42216514 is about 348.1989493046.

Adding to 42216514 its reverse (41561224), we get a palindrome (83777738).

The spelling of 42216514 in words is "forty-two million, two hundred sixteen thousand, five hundred fourteen".