42201658 has 8 divisors (see below), whose sum is σ = 63863028. Its totient is φ = 20913984.

The previous prime is 42201647. The next prime is 42201661. The reversal of 42201658 is 85610224.

42201658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 41254929 + 946729 = 6423^2 + 973^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 93141 + ... + 93592.

Almost surely, 2^42201658 is an apocalyptic number.

42201658 is a deficient number, since it is larger than the sum of its proper divisors (21661370).

42201658 is a wasteful number, since it uses less digits than its factorization.

42201658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186848.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 42201658 is about 6496.2803203064. The cubic root of 42201658 is about 348.1581007519.

The spelling of 42201658 in words is "forty-two million, two hundred one thousand, six hundred fifty-eight".