9012242 has 4 divisors (see below), whose sum is σ = 13518366. Its totient is φ = 4506120.

The previous prime is 9012239. The next prime is 9012247. The reversal of 9012242 is 2422109.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9006001 + 6241 = 3001^2 + 79^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (9012247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2253059 + ... + 2253062.

Almost surely, 2^9012242 is an apocalyptic number.

9012242 is a deficient number, since it is larger than the sum of its proper divisors (4506124).

9012242 is a wasteful number, since it uses less digits than its factorization.

9012242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4506123.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 9012242 is about 3002.0396399781. The cubic root of 9012242 is about 208.1026521168.

The spelling of 9012242 in words is "nine million, twelve thousand, two hundred forty-two".