218044099 has 32 divisors (see below), whose sum is σ = 277781504. Its totient is φ = 166561920.

The previous prime is 218044087. The next prime is 218044103. The reversal of 218044099 is 990440812.

It is a happy number.

It is not a de Polignac number, because 218044099 - 2⁷ = 218043971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (218044039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 402769 + ... + 403309.

It is an arithmetic number, because the mean of its divisors is an integer number (8680672).

Almost surely, 2^218044099 is an apocalyptic number.

218044099 is a deficient number, since it is larger than the sum of its proper divisors (59737405).

218044099 is a wasteful number, since it uses less digits than its factorization.

218044099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 218044099 is about 14766.3163652957. The cubic root of 218044099 is about 601.8867450290.

The spelling of 218044099 in words is "two hundred eighteen million, forty-four thousand, ninety-nine".