42225093 has 12 divisors (see below), whose sum is σ = 64579788. Its totient is φ = 26494080.

The previous prime is 42225091. The next prime is 42225101. The reversal of 42225093 is 39052224.

It can be written as a sum of positive squares in 2 ways, for example, as 32695524 + 9529569 = 5718^2 + 3087^2 .

It is not a de Polignac number, because 42225093 - 2¹ = 42225091 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42225091) 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 11 ways as a sum of consecutive naturals, for example, 137838 + ... + 138143.

It is an arithmetic number, because the mean of its divisors is an integer number (5381649).

Almost surely, 2^42225093 is an apocalyptic number.

It is an amenable number.

42225093 is a deficient number, since it is larger than the sum of its proper divisors (22354695).

42225093 is a wasteful number, since it uses less digits than its factorization.

42225093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276004 (or 276001 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 42225093 is about 6498.0837944736. The cubic root of 42225093 is about 348.2225340441. Note that the first 3 decimals are identical.

The spelling of 42225093 in words is "forty-two million, two hundred twenty-five thousand, ninety-three".