42215614 has 32 divisors (see below), whose sum is σ = 75220992. Its totient is φ = 17388000.

The previous prime is 42215581. The next prime is 42215617. The reversal of 42215614 is 41651224.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42215617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91344 + ... + 91804.

It is an arithmetic number, because the mean of its divisors is an integer number (2350656).

Almost surely, 2^42215614 is an apocalyptic number.

42215614 is a deficient number, since it is larger than the sum of its proper divisors (33005378).

42215614 is a wasteful number, since it uses less digits than its factorization.

42215614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712.

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

The square root of 42215614 is about 6497.3543846707. The cubic root of 42215614 is about 348.1964749073.

Adding to 42215614 its reverse (41651224), we get a palindrome (83866838).

The spelling of 42215614 in words is "forty-two million, two hundred fifteen thousand, six hundred fourteen".