10115218 has 8 divisors (see below), whose sum is σ = 15320448. Its totient is φ = 5008404.

The previous prime is 10115213. The next prime is 10115227. The reversal of 10115218 is 81251101.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 10115195 and 10115204.

It is not an unprimeable number, because it can be changed into a prime (10115213) 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, 24346 + ... + 24757.

It is an arithmetic number, because the mean of its divisors is an integer number (1915056).

Almost surely, 2^10115218 is an apocalyptic number.

10115218 is a deficient number, since it is larger than the sum of its proper divisors (5205230).

10115218 is a wasteful number, since it uses less digits than its factorization.

10115218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49208.

The product of its (nonzero) digits is 80, while the sum is 19.

The square root of 10115218 is about 3180.4430508972. The cubic root of 10115218 is about 216.2677435406.

Adding to 10115218 its reverse (81251101), we get a palindrome (91366319).

The spelling of 10115218 in words is "ten million, one hundred fifteen thousand, two hundred eighteen".