42201284 has 12 divisors (see below), whose sum is σ = 75104400. Its totient is φ = 20742888.

The previous prime is 42201283. The next prime is 42201287. The reversal of 42201284 is 48210224.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42201281) 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 3 ways as a sum of consecutive naturals, for example, 89174 + ... + 89645.

It is an arithmetic number, because the mean of its divisors is an integer number (6258700).

Almost surely, 2^42201284 is an apocalyptic number.

It is an amenable number.

42201284 is a deficient number, since it is larger than the sum of its proper divisors (32903116).

42201284 is a wasteful number, since it uses less digits than its factorization.

42201284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178882 (or 178880 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 42201284 is about 6496.2515345390. The cubic root of 42201284 is about 348.1570722654.

The spelling of 42201284 in words is "forty-two million, two hundred one thousand, two hundred eighty-four".