2217306052 has 24 divisors (see below), whose sum is σ = 4180432256. Its totient is φ = 1022964768.

The previous prime is 2217306043. The next prime is 2217306059. The reversal of 2217306052 is 2506037122.

It is a super-2 number, since 2×2217306052² = 9832892256471653408, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2217306052.

It is not an unprimeable number, because it can be changed into a prime (2217306059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152533 + ... + 166435.

Almost surely, 2^2217306052 is an apocalyptic number.

It is an amenable number.

2217306052 is a deficient number, since it is larger than the sum of its proper divisors (1963126204).

2217306052 is a wasteful number, since it uses less digits than its factorization.

2217306052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16987 (or 16985 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2217306052 is about 47088.2793484748. The cubic root of 2217306052 is about 1303.9928620998.

The spelling of 2217306052 in words is "two billion, two hundred seventeen million, three hundred six thousand, fifty-two".