214429618 has 8 divisors (see below), whose sum is σ = 346386348. Its totient is φ = 98967504.

The previous prime is 214429613. The next prime is 214429627. The reversal of 214429618 is 816924412.

It can be written as a sum of positive squares in 2 ways, for example, as 174953529 + 39476089 = 13227^2 + 6283^2 .

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

It is a super-2 number, since 2×214429618² = 91960122151251848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (214429613) 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, 4123621 + ... + 4123672.

Almost surely, 2^214429618 is an apocalyptic number.

214429618 is a deficient number, since it is larger than the sum of its proper divisors (131956730).

214429618 is a wasteful number, since it uses less digits than its factorization.

214429618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8247308.

The product of its digits is 27648, while the sum is 37.

The square root of 214429618 is about 14643.4155168799. The cubic root of 214429618 is about 598.5424044855.

The spelling of 214429618 in words is "two hundred fourteen million, four hundred twenty-nine thousand, six hundred eighteen".