2184426690 has 16 divisors (see below), whose sum is σ = 5242624128. Its totient is φ = 582513776.

The previous prime is 2184426667. The next prime is 2184426697. The reversal of 2184426690 is 966244812.

It is a super-2 number, since 2×2184426690² = 9543439927968712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2184426697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36407082 + ... + 36407141.

It is an arithmetic number, because the mean of its divisors is an integer number (327664008).

Almost surely, 2^2184426690 is an apocalyptic number.

2184426690 is an abundant number, since it is smaller than the sum of its proper divisors (3058197438).

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

2184426690 is a wasteful number, since it uses less digits than its factorization.

2184426690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72814233.

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2184426690 is about 46737.8507208023. The cubic root of 2184426690 is about 1297.5153112415.

The spelling of 2184426690 in words is "two billion, one hundred eighty-four million, four hundred twenty-six thousand, six hundred ninety".