2215799762818 has 8 divisors (see below), whose sum is σ = 3323706972048. Its totient is φ = 1107897438804.

The previous prime is 2215799762801. The next prime is 2215799762821. The reversal of 2215799762818 is 8182679975122.

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

It is a super-2 number, since 2×2215799762818² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283405 + ... + 2124127.

It is an arithmetic number, because the mean of its divisors is an integer number (415463371506).

Almost surely, 2^{2215799762818} is an apocalyptic number.

2215799762818 is a deficient number, since it is larger than the sum of its proper divisors (1107907209230).

2215799762818 is a wasteful number, since it uses less digits than its factorization.

2215799762818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2442608.

The product of its digits is 60963840, while the sum is 67.

The spelling of 2215799762818 in words is "two trillion, two hundred fifteen billion, seven hundred ninety-nine million, seven hundred sixty-two thousand, eight hundred eighteen".