42225198 has 16 divisors (see below), whose sum is σ = 84574416. Its totient is φ = 14054400.

The previous prime is 42225173. The next prime is 42225257. The reversal of 42225198 is 89152224.

It is a super-2 number, since 2×42225198² = 3565934692278408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 403 + ... + 9198.

It is an arithmetic number, because the mean of its divisors is an integer number (5285901).

Almost surely, 2^42225198 is an apocalyptic number.

42225198 is an abundant number, since it is smaller than the sum of its proper divisors (42349218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42225198 is a wasteful number, since it uses less digits than its factorization.

42225198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10339.

The product of its digits is 11520, while the sum is 33.

The square root of 42225198 is about 6498.0918737734. The cubic root of 42225198 is about 348.2228226824. Note that the first 3 decimals are identical.

The spelling of 42225198 in words is "forty-two million, two hundred twenty-five thousand, one hundred ninety-eight".