2218888801 has 8 divisors (see below), whose sum is σ = 2250336744. Its totient is φ = 2187469440.

The previous prime is 2218888787. The next prime is 2218888811. The reversal of 2218888801 is 1088888122.

It can be written as a sum of positive squares in 4 ways, for example, as 1181984400 + 1036904401 = 34380^2 + 32201^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2218888801 - 2⁷ = 2218888673 is a prime.

It is a super-2 number, since 2×2218888801² = 9846935022406435202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2218888811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185535 + ... + 197131.

It is an arithmetic number, because the mean of its divisors is an integer number (281292093).

Almost surely, 2^2218888801 is an apocalyptic number.

It is an amenable number.

2218888801 is a deficient number, since it is larger than the sum of its proper divisors (31447943).

2218888801 is a wasteful number, since it uses less digits than its factorization.

2218888801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14291.

The product of its (nonzero) digits is 131072, while the sum is 46.

The square root of 2218888801 is about 47105.0825389363. The cubic root of 2218888801 is about 1304.3030587174.

The spelling of 2218888801 in words is "two billion, two hundred eighteen million, eight hundred eighty-eight thousand, eight hundred one".