10109218 has 16 divisors (see below), whose sum is σ = 17411904. Its totient is φ = 4312080.

The previous prime is 10109207. The next prime is 10109219. The reversal of 10109218 is 81290101.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (10109219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1588 + ... + 4768.

It is an arithmetic number, because the mean of its divisors is an integer number (1088244).

Almost surely, 2^10109218 is an apocalyptic number.

10109218 is a deficient number, since it is larger than the sum of its proper divisors (7302686).

10109218 is a wasteful number, since it uses less digits than its factorization.

10109218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3417.

The product of its (nonzero) digits is 144, while the sum is 22.

The square root of 10109218 is about 3179.4996461708. The cubic root of 10109218 is about 216.2249742165.

Adding to 10109218 its reverse (81290101), we get a palindrome (91399319).

The spelling of 10109218 in words is "ten million, one hundred nine thousand, two hundred eighteen".