42225842 has 8 divisors (see below), whose sum is σ = 64533996. Its totient is φ = 20714512.

The previous prime is 42225829. The next prime is 42225853. The reversal of 42225842 is 24852224.

It can be written as a sum of positive squares in 2 ways, for example, as 33051001 + 9174841 = 5749^2 + 3029^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199073 + ... + 199284.

Almost surely, 2^42225842 is an apocalyptic number.

42225842 is a deficient number, since it is larger than the sum of its proper divisors (22308154).

42225842 is a wasteful number, since it uses less digits than its factorization.

42225842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398412.

The product of its digits is 10240, while the sum is 29.

The square root of 42225842 is about 6498.1414265927. The cubic root of 42225842 is about 348.2245929868.

The spelling of 42225842 in words is "forty-two million, two hundred twenty-five thousand, eight hundred forty-two".