2217799930 has 16 divisors (see below), whose sum is σ = 3992666760. Its totient is φ = 886980672.

The previous prime is 2217799901. The next prime is 2217799931. The reversal of 2217799930 is 399977122.

It can be written as a sum of positive squares in 4 ways, for example, as 2205147681 + 12652249 = 46959^2 + 3557^2 .

It is not an unprimeable number, because it can be changed into a prime (2217799931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70672 + ... + 97108.

Almost surely, 2^2217799930 is an apocalyptic number.

2217799930 is a deficient number, since it is larger than the sum of its proper divisors (1774866830).

2217799930 is a wasteful number, since it uses less digits than its factorization.

2217799930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34833.

The product of its (nonzero) digits is 428652, while the sum is 49.

The square root of 2217799930 is about 47093.5232277221. The cubic root of 2217799930 is about 1304.0896711046.

The spelling of 2217799930 in words is "two billion, two hundred seventeen million, seven hundred ninety-nine thousand, nine hundred thirty".