42225115 has 16 divisors (see below), whose sum is σ = 51871680. Its totient is φ = 32987520.

The previous prime is 42225107. The next prime is 42225133. The reversal of 42225115 is 51152224.

42225115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42225115 - 2³ = 42225107 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50521 + ... + 51349.

It is an arithmetic number, because the mean of its divisors is an integer number (3241980).

Almost surely, 2^42225115 is an apocalyptic number.

42225115 is a deficient number, since it is larger than the sum of its proper divisors (9646565).

42225115 is a wasteful number, since it uses less digits than its factorization.

42225115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062.

The product of its digits is 800, while the sum is 22.

The square root of 42225115 is about 6498.0854872801. The cubic root of 42225115 is about 348.2225945208. Note that the first 3 decimals are identical.

Adding to 42225115 its reverse (51152224), we get a palindrome (93377339).

The spelling of 42225115 in words is "forty-two million, two hundred twenty-five thousand, one hundred fifteen".