42225315 has 32 divisors (see below), whose sum is σ = 77587200. Its totient is φ = 19393920.

The previous prime is 42225311. The next prime is 42225319. The reversal of 42225315 is 51352224.

It is an interprime number because it is at equal distance from previous prime (42225311) and next prime (42225319).

It is not a de Polignac number, because 42225315 - 2² = 42225311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42225311) 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 31 ways as a sum of consecutive naturals, for example, 3600 + ... + 9869.

It is an arithmetic number, because the mean of its divisors is an integer number (2424600).

Almost surely, 2^42225315 is an apocalyptic number.

42225315 is a deficient number, since it is larger than the sum of its proper divisors (35361885).

42225315 is a wasteful number, since it uses less digits than its factorization.

42225315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13507.

The product of its digits is 2400, while the sum is 24.

The square root of 42225315 is about 6498.1008764100. The cubic root of 42225315 is about 348.2231443074.

Adding to 42225315 its reverse (51352224), we get a palindrome (93577539).

The spelling of 42225315 in words is "forty-two million, two hundred twenty-five thousand, three hundred fifteen".