42225055 has 8 divisors (see below), whose sum is σ = 50713344. Its totient is φ = 33751200.

The previous prime is 42225031. The next prime is 42225083. The reversal of 42225055 is 55052224.

It is a happy number.

42225055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42225055 - 2⁷ = 42224927 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 4485 + ... + 10225.

It is an arithmetic number, because the mean of its divisors is an integer number (6339168).

Almost surely, 2^42225055 is an apocalyptic number.

42225055 is a deficient number, since it is larger than the sum of its proper divisors (8488289).

42225055 is a wasteful number, since it uses less digits than its factorization.

42225055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 42225055 is about 6498.0808705340. The cubic root of 42225055 is about 348.2224295844. Note that the first 3 decimals are identical.

Adding to 42225055 its reverse (55052224), we get a palindrome (97277279).

The spelling of 42225055 in words is "forty-two million, two hundred twenty-five thousand, fifty-five".