2117218002 has 32 divisors (see below), whose sum is σ = 4278560832. Its totient is φ = 698417664.

The previous prime is 2117217989. The next prime is 2117218007. The reversal of 2117218002 is 2008127112.

It is a super-2 number, since 2×2117218002² = 8965224135985744008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2117218007) 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 15 ways as a sum of consecutive naturals, for example, 273193 + ... + 280835.

It is an arithmetic number, because the mean of its divisors is an integer number (133705026).

Almost surely, 2^2117218002 is an apocalyptic number.

2117218002 is an abundant number, since it is smaller than the sum of its proper divisors (2161342830).

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

2117218002 is a wasteful number, since it uses less digits than its factorization.

2117218002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 2117218002 is about 46013.2372475574. The cubic root of 2117218002 is about 1284.0694867821.

The spelling of 2117218002 in words is "two billion, one hundred seventeen million, two hundred eighteen thousand, two".