42225458 has 32 divisors (see below), whose sum is σ = 71463168. Its totient is φ = 18547200.

The previous prime is 42225457. The next prime is 42225461. The reversal of 42225458 is 85452224.

It is not an unprimeable number, because it can be changed into a prime (42225457) 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, 100088 + ... + 100508.

It is an arithmetic number, because the mean of its divisors is an integer number (2233224).

Almost surely, 2^42225458 is an apocalyptic number.

42225458 is a deficient number, since it is larger than the sum of its proper divisors (29237710).

42225458 is a wasteful number, since it uses less digits than its factorization.

42225458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578.

The product of its digits is 25600, while the sum is 32.

The square root of 42225458 is about 6498.1118796155. Note that the first 3 decimals coincide. The cubic root of 42225458 is about 348.2235374037.

The spelling of 42225458 in words is "forty-two million, two hundred twenty-five thousand, four hundred fifty-eight".