4224091698 has 18 divisors (see below), whose sum is σ = 9152796159. Its totient is φ = 1407938652.

The previous prime is 4224091691. The next prime is 4224091721. The reversal of 4224091698 is 8961904224.

It can be written as a sum of positive squares in only one way, i.e., 2112045849 + 2112045849 = 45957^2 + 45957^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=45957.

It is a super-2 number, since 2×4224091698² = 35685901346225046408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4224091691) 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 8 ways as a sum of consecutive naturals, for example, 268083 + ... + 283401.

Almost surely, 2^4224091698 is an apocalyptic number.

4224091698 is an abundant number, since it is smaller than the sum of its proper divisors (4928704461).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4224091698 is an frugal number, since it uses more digits than its factorization.

4224091698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30646 (or 15324 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4224091698 is about 64993.0126859803. The cubic root of 4224091698 is about 1616.5077055641.

The spelling of 4224091698 in words is "four billion, two hundred twenty-four million, ninety-one thousand, six hundred ninety-eight".