130452218 has 16 divisors (see below), whose sum is σ = 211808520. Its totient is φ = 59900736.

The previous prime is 130452173. The next prime is 130452263. The reversal of 130452218 is 812254031.

130452218 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (130452173) and next prime (130452263).

It can be written as a sum of positive squares in 4 ways, for example, as 128754409 + 1697809 = 11347^2 + 1303^2 .

It is a super-2 number, since 2×130452218² = 34035562362239048, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7613 + ... + 17856.

Almost surely, 2^130452218 is an apocalyptic number.

130452218 is a deficient number, since it is larger than the sum of its proper divisors (81356302).

130452218 is a wasteful number, since it uses less digits than its factorization.

130452218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25681.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 130452218 is about 11421.5681060002. The cubic root of 130452218 is about 507.1664181684.

The spelling of 130452218 in words is "one hundred thirty million, four hundred fifty-two thousand, two hundred eighteen".