9942241 has 4 divisors (see below), whose sum is σ = 9948592. Its totient is φ = 9935892.

The previous prime is 9942223. The next prime is 9942269. The reversal of 9942241 is 1422499.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1422499 = 13 ⋅109423.

It is a cyclic number.

It is not a de Polignac number, because 9942241 - 2¹³ = 9934049 is a prime.

It is a super-2 number, since 2×9942241² = 197696312204162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9942211) by changing a digit.

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, 1030 + ... + 4576.

It is an arithmetic number, because the mean of its divisors is an integer number (2487148).

Almost surely, 2^9942241 is an apocalyptic number.

It is an amenable number.

9942241 is a deficient number, since it is larger than the sum of its proper divisors (6351).

9942241 is a wasteful number, since it uses less digits than its factorization.

9942241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6350.

The product of its digits is 5184, while the sum is 31.

The square root of 9942241 is about 3153.1319350766. The cubic root of 9942241 is about 215.0278745183.

The spelling of 9942241 in words is "nine million, nine hundred forty-two thousand, two hundred forty-one".