10218842 has 8 divisors (see below), whose sum is σ = 15579732. Its totient is φ = 5025600.

The previous prime is 10218841. The next prime is 10218869. The reversal of 10218842 is 24881201.

It can be written as a sum of positive squares in 2 ways, for example, as 8708401 + 1510441 = 2951^2 + 1229^2 .

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

It is not an unprimeable number, because it can be changed into a prime (10218841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41759 + ... + 42002.

Almost surely, 2^10218842 is an apocalyptic number.

10218842 is a deficient number, since it is larger than the sum of its proper divisors (5360890).

10218842 is an equidigital number, since it uses as much as digits as its factorization.

10218842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83824.

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 10218842 is about 3196.6923530424. The cubic root of 10218842 is about 217.0037446174.

The spelling of 10218842 in words is "ten million, two hundred eighteen thousand, eight hundred forty-two".