104456218 has 4 divisors (see below), whose sum is σ = 156684330. Its totient is φ = 52228108.

The previous prime is 104456207. The next prime is 104456221. The reversal of 104456218 is 812654401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812654401 = 13 ⋅62511877.

It can be written as a sum of positive squares in only one way, i.e., 103489929 + 966289 = 10173^2 + 983^2 .

It is a super-2 number, since 2×104456218² = 21822202957727048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 104456218.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26114053 + ... + 26114056.

Almost surely, 2^104456218 is an apocalyptic number.

104456218 is a deficient number, since it is larger than the sum of its proper divisors (52228112).

104456218 is an equidigital number, since it uses as much as digits as its factorization.

104456218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52228111.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 104456218 is about 10220.3824781659. The cubic root of 104456218 is about 470.9535762924.

The spelling of 104456218 in words is "one hundred four million, four hundred fifty-six thousand, two hundred eighteen".