2218662699008 has 126 divisors (see below), whose sum is σ = 5163668007543. Its totient is φ = 950450995200.

The previous prime is 2218662698951. The next prime is 2218662699013. The reversal of 2218662699008 is 8009962668122.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 1109331349504 + 1109331349504 = 1053248^2 + 1053248^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=1053248.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 943709033 + ... + 943711383.

Almost surely, 2^{2218662699008} is an apocalyptic number.

2218662699008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2218662699008

2218662699008 is an abundant number, since it is smaller than the sum of its proper divisors (2945005308535).

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

2218662699008 is an frugal number, since it uses more digits than its factorization.

2218662699008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742 (or 2360 counting only the distinct ones).

The product of its (nonzero) digits is 8957952, while the sum is 59.

The spelling of 2218662699008 in words is "two trillion, two hundred eighteen billion, six hundred sixty-two million, six hundred ninety-nine thousand, eight".