2217179056 has 20 divisors (see below), whose sum is σ = 4303351800. Its totient is φ = 1106636672.

The previous prime is 2217178991. The next prime is 2217179057. The reversal of 2217179056 is 6509717122.

It is a super-2 number, since 2×2217179056² = 9831765932730102272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2217179057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112666 + ... + 130873.

It is an arithmetic number, because the mean of its divisors is an integer number (215167590).

Almost surely, 2^2217179056 is an apocalyptic number.

It is an amenable number.

2217179056 is a deficient number, since it is larger than the sum of its proper divisors (2086172744).

2217179056 is a wasteful number, since it uses less digits than its factorization.

2217179056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244116 (or 244110 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 2217179056 is about 47086.9308407333. The cubic root of 2217179056 is about 1303.9679662674.

The spelling of 2217179056 in words is "two billion, two hundred seventeen million, one hundred seventy-nine thousand, fifty-six".